Wednesday, January 6, 2010
Lance-Leaved Coreopsis
Botanical name: Coreopsis lanceolata (Asteraceae)
Other name: Tickseed
Description
Features solitary, yellow, daisy-like flowers (1-2" diameter) with eight yellow rays (toothed at the tips) and flat yellow center disks. Flowers bloom atop slender, erect stems from spring to early summer. Narrow, hairy, lance-shaped leaves (2-6" long) appear primarily near the base of the plant in basal tufts. Lower basal leaves are mostly entire, while smaller stem leaves may be pinnately lobed.
How to grow
Easily grown in dry to medium moisture, well-drained soil in full sun. Thrives in poor, sandy or rocky soils with good drainage. Tolerant of heat, humidity and drought. Prompt deadheading of spent flower stalks encourages additional bloom and prevents any unwanted self-seeding. Freely self-seeds, and in optimum growing conditions will naturalize to form large colonies. Plants may be cut back hard in summer if foliage sprawls or becomes unkempt. If grown in borders, division may be needed every 2-3 years to maintain robustness.
Height: 2-3 feet
Germination: 20-30 days
Optimum soil temperature for germination: 65-70F
Sowing depth: 1/16"
Blooming period: May-July
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