Threadleaf Coreopsis
Coreopsis verticillata. ASTERACEAE (COMPOSITAE).
Planting and Growing Threadleaf Coreopsis
You’ll find everything you need to know to plant and grow threadleaf coreopsis in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of threadleaf coreopsis
- Plant hardiness and growing conditions for threadleaf coreopsis
- Season of bloom and planting time for threadleaf coreopsis
- When, how deep, and where to plant threadleaf coreopsis
- How to plant threadleaf coreopsis
- Watering, fertilizing, care, and pests or diseases of threadleaf coreopsis
- Landscape and container uses of threadleaf coreopsis
- Comments about threadleaf coreopsis and its features
Growing Threadleaf Coreopsis
Several cultivars of bunching, upright, perennial herbs, 2–3 ft. (60–90 cm) tall. Shiny, deep green, narrow, threadlike, finely cut, finely toothed leaves, to 2 in. (50 mm) long.
Dwarf cultivars available.
See also Tickseed, Coreopsis species.
Planting and Care Guide
Blooms
Many gold, bright yellow, daisylike flowers, to 2 in. (50 mm) wide, with yellow centers, in summer–autumn.
Best Climates
Hardy. Self-seeding. Zones 4–10.
Soil Type and Fertility
Damp, well-drained soil. Fertility: Average–low. 6.5–7.5 pH.
Where and How to Plant
Spring, after soil warms, zones 4–8; autumn, zones 9–10, in full to filtered sun, 1 ft. (30 cm) apart.
Proper Care
Very easy. Keep damp; allow soil surface to dry between waterings. Drought tolerant when established. Fertilize annually in spring. Deadhead spent flowers. Propagate by cuttings, division, seed.
About This Plant
Good choice for borders, edgings, foregrounds, massed plantings in cottage, formal, meadow, natural, wildlife gardens. Good for cutting. Attracts birds, butterflies. Chewing insects and leaf spot, powdery mildew, rust susceptible.