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Description
Coreopsis Major, also known as Greater Tickseed, is a perennial plant that belongs to the Asteraceae family. This plant is native to North America, and it can grow up to 3 feet tall and 2 feet wide. It produces yellow, daisy-like flowers that bloom from early summer to fall. The flowers have a diameter of 2-3 inches, and they have a bright, sunny appearance that makes them a popular choice for gardens and landscapes.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Coreopsis |
Appearance
The leaves of Coreopsis Major are lance-shaped, and they are typically 3-4 inches long. The leaves are green and have a slightly hairy texture. The flowers of this plant are bright yellow and have a dark center. They bloom from June to October, and each flower lasts for several weeks. The stems of Coreopsis Major are upright and wiry, and they have a slightly bushy appearance. Overall, this plant has a neat, compact shape that makes it an excellent choice for borders and edging.
Care Guide
Coreopsis Major is a relatively easy plant to care for, and it can thrive in a variety of conditions. Here are some tips for keeping this plant healthy:
- Water: Coreopsis Major prefers well-drained soil that is kept evenly moist. Water the plant deeply once a week, or more frequently if the weather is hot and dry.
- Fertilization: Feed Coreopsis Major with a balanced fertilizer once a month during the growing season. Avoid over-fertilizing, as this can cause the plant to produce too much foliage and fewer flowers.
- Soil: This plant prefers soil that is slightly acidic and well-drained. If your soil is heavy and clay-like, amend it with organic matter to improve drainage.
- Sunlight: Coreopsis Major prefers full sun but can tolerate partial shade. Plant it in an area that receives at least six hours of direct sunlight per day.
- Hardiness Zones: Coreopsis Major is hardy in USDA zones 4-9. It can tolerate cold temperatures and frost but may need protection during severe winter weather.
Common Pests & Diseases
Coreopsis Major is relatively pest and disease-resistant, but it can be susceptible to a few issues:
- Aphids: These small, soft-bodied insects can suck the sap from the leaves and stems of Coreopsis Major. They can be controlled with insecticidal soap or horticultural oil.
- Powdery Mildew: This fungal disease can cause a white, powdery coating on the leaves of Coreopsis Major. It can be prevented by planting the plant in an area with good air circulation and avoiding overhead watering.
- Root Rot: This disease is caused by overwatering or poorly-drained soil. It can be prevented by ensuring that the plant’s soil is well-drained and not too wet.
Habitat
Coreopsis Major is native to North America and can be found growing in a variety of habitats, including prairies, meadows, and woodland edges. It prefers well-drained soil and full sun but can tolerate a range of growing conditions.
Question and Answer
Q: Can Coreopsis Major tolerate drought?
A: While Coreopsis Major prefers evenly moist soil, it can tolerate drought once established. However, it may produce fewer flowers under dry conditions.
Q: Can I grow Coreopsis Major in a container?
A: Yes, Coreopsis Major can be grown in a container as long as the pot is large enough to accommodate the plant’s root system. Use a well-draining potting mix and water the plant frequently.
Q: How often should I deadhead Coreopsis Major?
A: Deadhead Coreopsis Major regularly to encourage more flowers. Snip off spent blooms as soon as they begin to fade, using clean, sharp scissors or pruners.
Q: Does Coreopsis Major attract pollinators?
A: Yes, Coreopsis Major is a popular choice for pollinators such as bees and butterflies. The plant’s bright, sunny flowers provide a rich source of nectar and pollen.
Related Plants
- Coreopsis lanceolata
- Coreopsis tinctoria
- Coreopsis verticillata
- Coreopsis grandiflora
References
- “Coreopsis Major.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b831.
- “Coreopsis.” The Old Farmer’s Almanac, www.almanac.com/plant/coreopsis.
- “Greater Tickseed.” National Wildlife Federation, www.nwf.org/Garden-for-Wildlife/About/Native-Plants/Greater-Tickseed.
