Coreopsis Seeds – Mercury Rising

Coreopsis ‘Mercury Rising’ is a striking perennial variety admired for its deep ruby-red blooms that last throughout the summer. This compact and hardy plant provides continuous color and is an excellent choice for borders, garden beds, and containers. Its long-blooming nature and resilience make it a favorite among gardeners who want vibrant color with minimal care. The flowers attract butterflies and beneficial insects, adding both beauty and ecological balance to your garden.

Easy to grow and tolerant of heat and drought once established, Coreopsis ‘Mercury Rising’ offers reliable performance season after season, making it a perfect addition for pollinator-friendly landscapes and low-maintenance gardens.

Features:

• Produces rich ruby-red blooms with bright yellow centers.

• Long-lasting flowers from early summer to fall.

• Attracts butterflies, bees, and other pollinators.

• Heat, drought, and deer tolerant once established.

• Ideal for garden beds, rock gardens, and container planting.

• Low maintenance and fast-growing perennial.

Specifications:

• Scientific Name: Coreopsis verticillata ‘Mercury Rising’

• Common Name (US): Coreopsis

• Plant Type: Perennial

• Bloom Color: Deep red with yellow center

• Bloom Size: 2–3 inches in diameter

• Plant Height: 15–18 inches (38–45 cm)

• Spread: 18–24 inches (45–60 cm)

• Sunlight Requirement: Full Sun

• Soil Type: Well-drained soil, moderately fertile

• Watering: Moderate; drought tolerant once established

• Germination Time: 14–21 days

• Days to Bloom: 70–90 days after sowing

• Sowing Method: Direct sow after frost or start indoors 6–8 weeks before last frost

• Spacing: 12–18 inches apart

• Growing Season: Spring to Fall

• USDA Hardiness Zones: 4–9

• Best Planting Months (by Zone):

  • Zones 4–5: May to June

  • Zones 6–7: April to May

  • Zones 8–9: February to March

• Use: Borders, pollinator gardens, rock gardens, and container displays