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Plant Information Sheet
Lanceleaf Coreopsis
Coreopsis lanceolata
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Care
Light
Full sun. Increase exposure gradually so leaves or stems can adjust.
Water
Moderate while establishing; then low to moderate. Check the root zone before watering and always let excess drain.
Standard soil mix
Two parts loam, one part compost, and one part coarse sand or perlite. Use a container with an open drainage hole.
Flowering
Yellow daisy-like flower heads appear from late spring into summer; deadheading can extend bloom.
Propagation
Use seed, division, offsets, spores, or stem cuttings only as appropriate for the verified species. Keep propagation material labeled and clean; do not distribute unidentified or regulated invasive material.
Seed germination and light
Light benefits germination of Coreopsis lanceolata. Press seeds onto prepared moist soil and avoid deep covering. This is a light-promoted response, not a claim that every seed fails in darkness; seed age, dormancy and temperature also affect results.
Germination source: Lady Bird Johnson Wildflower Center, Coreopsis lanceolata, propagation guidance. Reviewed 2026-09-21.
Native environment
Dry prairies, open woods, roadsides, and disturbed ground across much of the United States. Care succeeds when it reproduces the function of this setting—light, drainage, root-zone air, and seasonal water—rather than following a rigid calendar.