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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 ...
How to Care for a THREADLEAF COREOPSIS Plant Coreopsis verticillata ‘Zagreb SELECT SITE: Light Requirements: Full Sun (at least 6 hours per day) This perennial will grow larger; Space 18 in. away from other plants or structures Tolerates a wide range of soils, thrives in poor, sandy, or rocky soils with good drainage.
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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.
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.
Coreopsis ‘Zagreb’ (Coreopsis verticillata) 1-1.5’ x 1.5-2’ compact neat rounded mounds with strong upright growth. The cultivar ‘Zagreb’ is an old favorite. 2001 RHS Award of Garden Merit. The species is native PA south, found in dry woods, and clearings along coastal plains. Abundant 1-1.5” bright golden-yellow daisy-like ...
Coreopsis is one of the easiest perennials to maintain and is a good choice for beginners. It compliments nearly every other plant in the garden. The verticillata species is particularly long-lived, has a longer flowering time, and demonstrates better drought tolerance than others in the genus. Full Sun (> 6 hrs.
It is recommended to pinch coreopsis planted from plugs 1-2 times to promote lateral branching. This also controls the overall height of the plant. Lighting: Provide day lengths of 14 to 16 hours for flowering. Grow in direct sunlight.
