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Mar 7, 2024 · Winter Care. In colder climates, add a layer of mulch around the base of the plants to protect the roots from freezing temperatures. In milder climates, coreopsis may remain evergreen or semi-evergreen. Understanding Hardiness: Coreopsis varieties have different levels of hardiness, generally ranging from USDA hardiness zones 4 to 9. Knowing ...
- Kristine Moore
- Forestry Author
Threadleaf Coreopsis forms a spreading clump of very delicate, ferny foliage. This compact selection bears loads of starry golden-yellow daisies, from early summer into the fall. Clipping off faded flowers will encourage buds to form all season. Tolerant of hot, dry sites once established.
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Is Coreopsis 'Zagreb' a perennial?
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Common Name: Threadleaf Coreopsis. One of the most loved perennials, '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.
Leaving the seedheads in the garden during fall becomes a feast for birds during the winter months. Growing Coreopsis Zagreb from Seed: 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.
Plant Care: Perennial - Herbaceous (soft-stemmed plants that die back in winter and regrow in spring): Remove spent blooms to promote rebloom later. Some plants tend to flop over after the first bloom and attempt to regrow from the base; in these cases, the old stems can be cut away in summer.
Leaving the seedheads (rather than cleaning up the garden in the fall) will help feed the birds over the winter months. Avoid over-watering your plants as they can be susceptible to downy and powdery mildew. Growing Coreopsis ‘Zagreb’ from seed.
May 7, 2024 · Coreopsis is a low-maintenance flowering plant suitable for beds, borders and containers. Some coreopsis plants are perennials in USDA zones 3–9, while some are annuals. Plant coreopsis in well-draining soil that receives six to eight hours of full sun daily for the best bloom production.
