Set slug traps around the garden or hand pick the pests from the bed after dark. Thunbergia Plants - Collection. I wrote the nursery I got these from and they are shipping me some more. 1/4 lb covers approximately 1000 sq ft if broadcast. Black-eyed Susans produce fibrous roots that spread horizontally in the soil. Bring a beautiful look to your garden space by selecting this Spring Hill Nurseries Black-Eyed Susan Yellow Flowering Perennial Live Bareroot Plant. The seeds of most Black-Eyed Susans are poisonous, so avoid using the seed for any herbal uses (3) The roots but not the seedheads can be used much like Echinacea (5) Black-eyed Susan tea should be strained to remove the irritating hairs (4) Caution: contact sensitivity to the plant has been reported (1) References. When you cut back a black-eyed Susan, do not cut the plant stems at or below the soil level, but instead use pruning … GA - Greenhouse annual. Easy to grow climber for a sunny patio wall or conservatory. You can propagate perennial black-eyed Susans by division in early spring, just as growth begins to develop, or in the fall after they finish flowering. Slugs can destroy the seedlings. Includes best practices for siting your rudbeckia in the right amount of sunlight, correctly spacing your seeds or plants, proper watering, and more. A mixture of orange and yellow shades together with white. Black-eyed Susans generally grow between 1 and 3 feet tall (though they can grow taller) and can spread between 12 to 18 inches, so plant seeds closer to prevent lots of … Learn how to grow Black Eyed Susans (Rudbeckia). Versatile, drought-tolerant and easy-to-grow, Black Eyed Susan adds a cheerful splash of color to the summer landscape. Buy this hardy perennial plant today! It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States. Bare root Rudbeckia should be dry in the bags, so if condensation has formed on the inside of the bag, open and let it air out. Foster, S. and Duke, J. The seeds of most Black-Eyed Susans are poisonous, so avoid using the seed for any herbal uses (3) The roots but not the seedheads can be used much like Echinacea (5) Black-eyed Susan tea should be strained to remove the irritating hairs (4) Caution: contact sensitivity to the plant has been reported (1) References. The ‘Black-eyed-Susan’ plant, so named because of the prominent ‘eye’ in the centre of the flowers. help please, I planted about 15 bare root black eyed susan in May 2007, only 2 sprouted, but no flowers. Unique Perennials Agastache Ajuga Aster Astilbe Bee Balm Black Eyed Susan Bleeding Heart Butterfly Bush Clematis Coreopsis Daylily Delphinium Dianthus.