Search results
A popular garden flower since the 19th century, Coreopsis verticillata (Threadleaf Coreopsis) is a rhizomatous perennial boasting a profusion of showy golden-yellow flowers, 1-2 in. across (2-5 cm), from mid-summer to early fall - if spent flowers are deadheaded.
- Coreopsis Care
- Types of Coreopsis
- Pruning
- Propagating Coreopsis
- How to Grow Coreopsis from Seed
- Potting and Repotting Coreopsis
- Overwintering
- Common Pests & Plant Diseases
- How to Get Coreopsis to Bloom
- Common Problems with Coreopsis
Overall, coreopsis plants don't require much care when grown in their preferred environment. Select a planting site with lots of sun and good soil drainage. Also, don't forget to account for the mature size of your species—when planting, leave some space around each plant for air circulation. The taller coreopsis varieties might need staking as the...
There are dozens of species and varieties of coreopsis, which mostly differ in appearance rather than care. Some of the most popular varietals for outdoor cultivation include: 1. Coreopsis grandiflora 'Early Sunrise': A variety with large, semi-double, bright yellow flowers that start blooming in early summer 2. Coreopsis grandiflora 'Golden Shower...
Cutting back the top of a declining perennial to the ground or near ground level will promote vigorous new growth, rejuvenating the plant. To encourage continuous blooming, you can cut back during the growing season, staggering sections of your coreopsis flower patch weekly. Deadheading or removing the wilted bloom and stem can keep the plant bloom...
Although perennial coreopsis are resilient plants, they don't tend to live more than three to five years. A decrease in flowering is a good signal that it's time to divide the plants(or to plant some new ones from seed) to propagate them. The best time to divide your plant is the spring or early fall—here's how: 1. First, carefully dig up a clump o...
Many coreopsis varieties can be grown from seed and often will reseed themselves in your garden. Start seeds indoors six to eight weeks before your area's projected last frost date, or directly plant seedsin your garden after your last frost. Plant the seeds roughly 1/2-inch deep, and keep the soil lightly moist and warm. Seedlings should emerge in...
Coreopsis can be grown in containers. If you start them in seedling containers, you can size them up and transplant them into larger ones. Coreopsis need containers at least 8 to 10 inches deep and wide with ample drainage holes. This plant's roots do not tolerate soggy, standing water. After several years, if the plant's roots appear to grow out o...
Coreopsis are hardy plants. You don't have to give these plants winter protection, but if you have the perennial variety that returns annually, you can keep the roots healthy by ensuring the plant receive regular water up until the first frost. Cut back the stems down to the ground. Insulate the roots by layering 2 to 3 inches of mulch at the soil ...
For the most part, coreopsis plants grow problem-free. But they might fall prey to snails, slugs, and fungal diseases in wet seasons.Before turning to pesticides and fungicides, improve your plant's environment. Ensure it has plenty of air circulation to ward off pests and fungal problems. And note whether it's getting enough sunlight. Divide overg...
One of the most critical factors in ensuring your coreopsis blooms each season is planting the flowers in an area with full sun—ample light for at least 6 to 8 hours. If you notice that your plant is struggling to bloom, too much shade may be to blame. If there's not a spot in your landscape that boasts six to eight hours of direct light a day, pla...
Coreopsis is an easy plant to care for. They are occasionally susceptible to bugs and diseases when their environmental factors are managed well. Ensure they get water, sun, and the correct soil when planting them.
- Marie Iannotti
- 2 min
People also ask
Are Coreopsis verticillata perennials?
What does Coreopsis verticillata look like?
What color is a Coreopsis?
Is Coreopsis lanceolata Hardy?
May 7, 2024 · How and When to Plant Coreopsis. After the last frost in spring, sow coreopsis seeds outdoors in prepared soil. Don't cover the seeds; they need light to germinate. Keep the soil moist until they germinate. The soil doesn't need to be amended if it drains well. As they grow, thin the plants to 12 to 18 inches apart.
- Lynn Mcalpine
Foliage: The foliage varies across varieties, from large and low-growing leaves to mounds of narrow, finely-textured leaves. Hardiness: Most perennials can be grown in USDA hardiness zones 4-9. Pollinators: Coreopsis flowers are attractive to butterflies, bees, and other pollinators, contributing to the biodiversity of your garden.
Height: 2.50 to 3.00 feet. Spread: 1.50 to 2.00 feet. Bloom Time: June to September. Bloom Description: Yellow. Sun: Full sun. Water: Dry to medium. Maintenance: Low. Suggested Use: Naturalize. Flower: Showy. Attracts: Butterflies. Tolerate: Deer, Drought, Dry Soil, Shallow-Rocky Soil. Garden locations. Culture.
Home. Flowers. Threadleaf Coreopsis (Coreopsis verticillata) At a Glance. Exposure: Full Sun. Mature Height: 2 to 3 Feet. USDA Hardiness Zones: 3 - 9. Soil Conditions: Moist, Well-Drained. Foliage Color: Green. Bloom Color: Yellow. Bloom Season: June through October. Size: Medium. Features of Threadleaf Coreopsis.
THREADLEAF COREOPSIS Coreopsis verticillata. Zones: 3-9 Size: 30 to 36 inches tall, 18 to 245 inches wide Bloom time: June through September. Named for its delicate threadlike foliage, this native of the eastern U.S. is topped by a profusion of bright yellow flowers from early to late summer, and even longer if spent blooms are deadheaded.
