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- Propagation Sow seed indoors in mid- to late winter at 55° to 61° F; divide in early spring. Problems Slugs, snails, bacterial spot, rust, Botrytis flower blight, aster yellows, powdery mildew, downy mildew, and fungal spots.
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Is Coreopsis verticillata 'Zagreb' a perennial?
How much sun does Coreopsis Zagreb need?
Can Coreopsis Zagreb grow in rocky soil?
What is threadleaf Coreopsis 'Zagreb'?
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.
Jan 1, 2023 · Mildew - Downy mildew and powdery mildew are the most common diseases among coreopsis plants. Like other issues, downy mildew often first produces spots on the leaves of plants. However, coreopsis infected with downy mildew will have prominent white growth on the underside of leaves, as well.
- Tonya Barnett
Coreopsis 'Zagreb' is a hardy, dependable perennial flower with yellow blooms. Discover other cultivars, where to plant and how to ensure continuous blooms.
Among the threadleaf coreopsis varieties, Coreopsis Zagreb stands out for its ability to thrive in poor, sandy, and rocky soils—a characteristic that resonates with my own gardening challenges. With its rhizome-spreading nature, Zagreb has gracefully filled a designated area in my garden.
Table of Contents. Get to know Coreopsis. Where to plant Coreopsis. Coreopsis uses and companions. When to plant Coreopsis. Planting and spacing Coreopsis. How to water and feed Coreopsis. Coreopsis care and propagation. Coreopsis pests and diseases. Coreopsis propagation. Coreopsis varieties to grow. Coreopsis Frequently Asked Questions.
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.
One of the most loved perennials, Coreopsis 'Zagreb' is an excellent performer with bright golden-yellow flowers (a deeper yellow than 'Moonbeam') blooming from early through late summer. It forms an exceptionally bushy yet airy clump of fine, needle-like foliage on upright stems.
