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An excellent performer, award-winner Coreopsis verticillata 'Zagreb' (Threadleaf Coreopsis) is a compact perennial forming a gorgeous mound of finely divided leaves. Blooming continuously from early to late summer, it gets covered with a profusion of bright golden-yellow blossoms. The airy clumps of fine, threadlike foliage on upright stems add ...
Mar 7, 2024 · Coreopsis is generally hardy and resistant to many pests and diseases, but like any plant, it can sometimes encounter problems. Here are some common issues and ways to manage them: Powdery Mildew
- Kristine Moore
- Forestry Author
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Can Coreopsis Zagreb grow in rocky soil?
How do you grow Coreopsis verticillata 'Zagreb'?
Is Coreopsis verticillata 'Zagreb' a perennial?
How do you care for Coreopsis?
Venturing into the realm of seed cultivation, I discovered that Coreopsis Zagreb can be directly sown once the soil warms up in spring or started indoors for an early head start. With soil kept moist and warm, the seedlings thrive in the gentle glow of 70°F to 75°F. As the young plants mature, they eagerly await transplantation into the ...
Growing Coreopsis ‘Zagreb’ from seed. You can direct-sow Coreopsis seeds once the soil has warmed up in the spring or get a head start indoors. Sow seeds about six to eight weeks before your frost-free date. Keep the soil moist and warm (about 70°F to 75°F). Once the seedlings grow, give them plenty of light.
Care Generally, grow coreopsis in well-drained soil in full sun or partial shade. Deadhead in midsummer to encourage rebloom and to prevent self-sowing. It is tolerant of a variety of soils. It thrives on poor soils and is tolerant of heat, humidity, and drought.
Coreopsis verticillata 'Zagreb' bears large, star-shaped, bright yellow flowers on upright, wiry stems, in contrast with dark green filigree leaves. It’s a magnet for bees and other pollinators and makes a good cut flower. Grow Coreopsis verticillata 'Zagreb' in full sun or partial shade in well-drained soil, though it will perform better in ...
Planting and spacing Coreopsis. Sow seed indoors in six-pack or flats filled with moist, sterile potting soil. Cover plants with 1/8 inch of soil and keep them at 65° to 75°F (18°-24°C) in bright light or under fluorescent light. Seeds will germinate in about 7 days.
