Rudbeckia hirta, commonly called black-eyed-Susan, is a North American species of flowering plants in the sunflower family, native to the Eastern and Central North America and naturalized in the Western part of the continent as well as in China.Common name:
3.00 to 8.00 feetDifficulty level:
easy to growPlanting & Care
Black-eyed Susans when the soil temperature has reached 70 degrees F for best seed germination. In many parts of North America, the planting period is March to May. The flower will flower June to September. Germination takes 7 to 30 days. Plant seeds in moist, well-drained soil. These hearty flowers really enjoy the Sun. They prefer full sun, though theyâ€™ll grow in partial sun.Sunlight:
Full Sun to Partial Shade Soil:
well-drained soil Water:
70 degrees F Fertilizer:
Apply any organic fertilizerCare:
- Check your plants regularly to see if they need watering.
- Make sure they donâ€™t dry out.
- Divide perennial types every 3 to 4 years to ensure healthy plants and to prevent excessive spreading.
- Be sure to remove faded/dead flowers to prolong blooming.
Trellises, arbors, fences or other structures around the home. Also effective in hanging baskets where the vine can twist around the basket supports or in patio containers with a small trellis or obelisk burried in the container.UseOrnamental use:
- The plant is used for ornamental purpose.
No serious insect or disease problems.