Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Get ideas for using sedum plants in your garden. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Sedum, or Stonecrop, is a large genus of flowering plant which has fleshy, succulent leaves, fleshy stems, and has clusters of small, starry flowers. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Rozmnožuje se pouze vegetativně, což zaručuje zachování jedinečných znaků odrůdy. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Vigorous compact rounded habit, 4-9″ x 6-9. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. It should be sited in average to poor soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Rozchodníky, u kterých je uvedeno "Na zakázku" jsou nasazené a budou se prodávat až dorostou. Winterhart, robust & krankheitsresistent. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The leaves are wide and triangular in shape. A clump-forming perennial to around 50cm tall and 40cm wide, with fleshy, purple-black leaves and producing terminal clusters of bright magenta pink flowers, in mid-to late summer. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Out of the numerous succulent varieties, the black prince succulents are some of the most stunning ones with their deep and dark hues. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Check for roots after a. Bees and butterflies love its pink flowers, making this species perfect for pollinator gardens . Attractive to bees. 69 Kč / ks. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum maximum 'Party Hardy Birthday Party' (Stonecrop) PP # 22,826. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Jejich dužnaté listy mohou být buď zelené, šedé nebo načervenalé. . The foliage is fine and elegant. USA. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. 486. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Buy Plants. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Delphinium (Delphinium Cultorum Black Knight) . The foliage is fine and elegant. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Buy Black Knight Butterfly Bushes Online. Můžete. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. It can grow 12 IN - 24 IN - wide, 12 IN - 24 IN - tall. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Height Medium 20-24". The foliage is fine and elegant. 42. Die pflegeleichte, mehrjährige Staude wird ca. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. With pulse-pounding desert car chases and the sleek, futuristic attire of the deliverymen known as the Black Knights, this highly anticipated series promises to. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. : Day: 68-82 F. Plant Black Knight in the sun in an average soil that is well-drained. 42. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sowing Rate: 2 - 3 seeds per plant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Description Sedum 'Knight Rider' is a deciduous perennial cactus / succulent with black, purple and burgundy foliage and red flowers in summer and fall. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight Echeveria The foliage is fine and elegant. Rozchodník sichotense (Worosch) - Sedum sichotense (Worosch) 35 Kč / ks. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Botanical Name: Sedum hispanicum ‘Blue Carpet’ Color: Blue. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. tall and wide (60-65 cm). Black Knight has glossy, black foliage and red flowers in August-September. Botanical Name: Sedum hispanicum ‘Blue Carpet’ Color: Blue. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. The foliage is fine and elegant. Water. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. 486. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Synonyms. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. Rozchodníky, u kterých je uvedeno "Na zakázku" jsou nasazené a budou se prodávat až dorostou. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Autumn Joy stonecrop—Hylotelephium telephium 'Herbstfreude' (‘Autumn Joy’)—is a popular upright variety of stonecrop, also known as sedum. Sedum SunSparkler® 'Wildfire' PP28621. Existuje na mnoho druhů rozchodníků. Drought tolerant once established. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Remove the bottom leaves and insert the cutting in a 4-inch pot filled with soilless potting mix. The foliage is fine and elegant. The foliage is fine and elegant. od června do září. Plant Black Knight in the sun in an average soil that is well-drained. Key PointsThe gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. New Guinea impatiens form small clusters of foliage with large, colorful flowers providing a view of blooms in any garden! Harmony Dark Reds are fast and early thrivers with impreSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Kód: 0443. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours). Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the. The foliage is fine and elegant. Buddleia Black Knight Butterfly Bushes are rich color to add to your butterfly garden. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Das Sedum Black Knight® bevorzugt einen sonnigen Standort mit durchlässigem Boden, kommt aber auch mit Halbschatten zurecht. Vigorous compact rounded habit, 4-9″ x 6-9. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum performs best when grown in a porous, well-drained medium with a slightly acidic pH: 5. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. aka Desert Black Stonecrop. Kiiltävä tumma lehdistö ja violetinpunaiset kukat. 486. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. : Full sunlight to partial shade (min. Black Knight has glossy, black foliage and red flowers in August-September. Helppohoitoinen ja sienitauteja kestävä lajike. It contributes glossy texture to the garden. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Kiiltävä tumma lehdistö ja violetinpunaiset kukat. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. 5″ in diameter. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It is a hybrid plant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Okvětní plátky jsou žlutě probarvené a seskupené. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. A clump-forming perennial to around 50cm tall and 40cm wide, with fleshy, purple-black leaves and producing terminal clusters of bright magenta pink. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Growing Conditions: Full sun and well-drained soil. Sedum, or Stonecrop, is a large genus of flowering plant which has fleshy, succulent leaves, fleshy stems, and has clusters of small, starry flowers. The gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. Ground Cover Perennials (0-25cm) Dward Perennials (26-60cm) Medium Perennials (61-85cm) Tall Perennials (86cm+) Rockery plants; Web Exclusive. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. Moisture: Keep seed moist until germination. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. 'Black Knight' je jeden z nejvýrazněji zbarvených vysokých rozchodníků. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Rozchodník | Sedum. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum telephium (Atropurpureum Group) 'Dark Knight'. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Sedum selskianum Vytrvalá, kompaktní rostlina, jejíž sukulentní listy tvoří až 20 cm vysoké zelené kopce. Black Knight has glossy, black foliage and red flowers in August-September. Některé rostou kobercovitě a přepadají po kamenných zídkách, jiné mají vzpřímený růst a výborně se hodí k řezu. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Even worse, it can lead to fungal diseases that can kill your Echeveria Black Knight over time. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Stonecrop are tough perennials and a dependable choice for the late summer garden. Bomen, planten en Sedum telephium 'Dolseb' (BLACK KNIGHT) online bestellen Rechtstreeks van de boomkweker Met zorg gekweekt Deskundig advies Meer dan 9000 plantensoortenSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Sedum maximum 'Thunderhead' (Stonecrop) PP # 24,693. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Key PointsSedum is one of the most popular perennials grown in American gardens because it is very easy to grow and hardy in most areas of the country. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Finely textured October Daphne sedum offers blue-green leaves that are edged with a deep pink line. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. They make your garden smile. Zatímco drobné květy. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Small clusters of light mauve pink flowers are produced on. Black Knight has glossy, black foliage and red flowers in August-September. water-wise, easy-care, and liked by pollinators. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Sedum 'Purple Emperor' Hybrid perennial sedum 'Purple Emperor' has dark purple, fleshy. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Kasvab hästi päikeselisel kasvukohal ja hea drenaažiga tavalisel aiamullal. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Spacing: 30 inches. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plants grown in rich soil tend to be lanky and open. Eager to reinvent the category of strawflowers, we’re excited to introduce the vastly superior Cottage series of bracteantha. 42. Plant number: 1.