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Coreopsis Zagreb
Coreopsis verticillata 'Zagreb'
Coreopsis Zagreb is a compact, long-blooming perennial known for its vibrant golden-yellow flowers and fine, airy foliage that adds texture and color to sunny gardens. Ideal for borders, mass plantings, and pollinator gardens, this drought-tolerant native cultivar thrives in poor soils and attracts bees and butterflies all summer long.
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Coreopsis Zagreb Plants
Coreopsis Zagreb, commonly known as Zagreb Tickseed, is a compact, clump-forming perennial prized for its vibrant golden-yellow blooms and finely textured, fern-like foliage. This sun-loving native plant lights up the garden from early summer through fall with cheerful daisy-like flowers that create a long-lasting display. Its upright habit and neat growth—typically reaching just 12 to 18 inches tall—make it ideal for the front of borders, cottage gardens, and pollinator-friendly planting schemes.
Renowned for its drought tolerance and adaptability, Coreopsis Zagreb thrives in poor to average soils and handles heat and humidity with ease. It’s a favorite among low-maintenance gardeners due to its ability to naturalize in well-drained locations without becoming invasive. Once established, it requires little supplemental watering and resists common garden pests, including deer and rabbits. Butterflies and beneficial pollinators are drawn to its nectar-rich blooms, making it a valuable addition to any eco-conscious landscape.
Zagreb Tickseed also excels in mass plantings, rock gardens, and containers, where its tidy mounding habit provides continuous color and seasonal charm. Deadheading spent flowers encourages even more prolific blooming, though it’s not necessary for plant health. Whether you’re designing a sunny perennial border or crafting a native wildflower meadow, Coreopsis Zagreb offers reliable performance, striking color, and undeniable garden value.
| Hardiness Zone: | 3-9 |
|---|---|
| Mature Height: | 12 to 18 Inches |
| Mature Width: | 18 to 24 Inches |
| Classification: | Perennial |
| Sunlight: | Full sun |
| Habit: | Upright, clump forming |
| Flower Color: | Bright yellow |
| Flowering Season: | Mid-June through August |
| Foliage: | Green |
| Soil Condition: | Prefers dry, average to sandy soil |
| Water Requirements: | Water well until established |
| Uses: | Extremely attractive when used as a focal point in the mixed border, mass planting; attracts pollinators |
How to Care for Coreopsis Zagreb
Before you buy a Coreopsis Zagreb Plant, make sure to read about the recommended care instructions to keep this plant healthy and thriving.
How do I plant a Coreopsis Zagreb Plant?
To plant a Coreopsis Zagreb (Coreopsis verticillata 'Zagreb'), choose a location with full sun and well-drained soil to ensure vigorous growth and prolific blooming. This hardy perennial performs best in poor to moderately fertile soils and tolerates drought once established, making it ideal for low-maintenance and xeriscape gardens. Begin by loosening the soil to a depth of 8–10 inches, removing any weeds or debris. Dig a hole twice as wide and just as deep as the plant’s root ball, place the plant in the hole so that the crown is level with the surrounding soil, and backfill with native soil. Water thoroughly after planting to help the roots settle and eliminate air pockets. Space multiple Coreopsis Zagreb plants about 12 to 18 inches apart to allow for proper airflow and natural clump expansion. Apply a thin layer of mulch around the base to retain moisture and suppress weeds, but avoid covering the crown. This low-maintenance perennial is perfect for sunny borders, rock gardens, and pollinator plantings where its bright yellow blooms will create a cheerful, long-lasting display throughout the summer. With proper planting and care, Coreopsis Zagreb will reward you with years of vibrant, wildlife-friendly color.
How do I water Coreopsis Zagreb?
Watering Coreopsis Zagreb correctly is essential for healthy establishment and long-lasting blooms, especially during its first growing season. After planting, water deeply once or twice a week, allowing the top few inches of soil to dry out between waterings. This encourages deep root growth and helps the plant develop drought tolerance. Avoid overwatering, as Coreopsis Zagreb prefers well-drained soil and can suffer from root rot or fungal diseases if kept too wet. Once established, Coreopsis Zagreb becomes highly drought tolerant and requires minimal supplemental watering, making it ideal for xeriscaping and low-maintenance garden designs. In periods of extended drought or extreme heat, occasional deep watering will keep the plant vigorous and blooming. Avoid shallow, frequent watering, which can lead to weak root systems. Whether in borders, mass plantings, or pollinator gardens, maintaining a balanced watering routine will ensure your Coreopsis Zagreb thrives with brilliant golden-yellow blooms throughout the summer.
How do I fertilize Coreopsis Zagreb?
Fertilizing Coreopsis Zagreb is simple and requires minimal effort, especially since this hardy perennial thrives in lean to moderately fertile soils. For best results, apply a balanced, slow-release fertilizer—such as a 10-10-10 formula—once in early spring as new growth begins to emerge. Avoid over-fertilizing, as too much nitrogen can result in excessive foliage growth at the expense of flower production. Lightly scratching the fertilizer into the soil around the base of the plant and watering it in thoroughly will ensure the nutrients reach the root zone effectively. In organically rich soil, supplemental fertilization may not be necessary, especially once the plant is established. You can also opt to top-dress with compost or well-aged manure in spring to gently nourish the plant throughout the growing season. Overfeeding can cause Coreopsis Zagreb to become leggy and reduce the number of its signature bright yellow blooms. With minimal fertilization and the right growing conditions, this long-blooming perennial will thrive in borders, rock gardens, and pollinator beds, providing vibrant color and dependable performance all summer long.
How and when should I cut back my Coreopsis Zagreb?
Cutting back your Coreopsis Zagreb is an important part of maintaining its compact shape, encouraging prolonged blooming, and promoting healthy regrowth. During the growing season, you can perform light deadheading by trimming spent flower stems back to the nearest set of leaves. This not only tidies the plant but also stimulates additional blooming throughout the summer. Regular deadheading helps extend the flowering season and keeps your plant looking vibrant and full in sunny borders, cottage gardens, or pollinator-friendly landscapes. In late fall or early spring, perform a more thorough cutback by trimming the entire plant down to about 2–3 inches above the ground. This cleanup removes any dead or damaged foliage and prepares Coreopsis Zagreb for fresh new growth in the upcoming season. If left standing over winter, the dried stems can add some textural interest and provide shelter for beneficial insects. However, early spring is the best time for a complete cutback to maintain plant health and vigor. With proper seasonal pruning, your Coreopsis Zagreb will return each year with dense foliage and masses of golden-yellow blooms.
