Crop Rotation Group
Miscellaneous
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Soil
Fertile, well-drained soil or roomy containers.
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Position
Full sun.
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Frost tolerant
Can tolerate light frosts in warm climates, where cuphea can be grown as a short-lived perennial.
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Feeding
Mix a light application of a balanced organic fertilizer into the soil prior to planting. In midsummer, drench plants with a liquid plant food to stimulate new growth.
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Companions
Combine with other annuals that attract hummingbirds, such as salvias.
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Spacing
Single Plants: 7" (20cm) each way (minimum)
Rows: 7" (20cm) with 11" (30cm) row gap (minimum)
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Sow and Plant
Sow cuphea seeds in moist seed starting mix and keep them warm until the seeds germinate. Most gardeners buy cuphea plants, which often are grown from rooted cuttings. Allow 12 inches (30cm) between taller varieties.
Our Garden Planning Tool can produce a personalized calendar of when to sow, plant and harvest for your area.
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Notes
This is a great summer flower for areas with hot summers.
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Harvesting
Snip off older branches in midsummer to keep plants looking neat, and to prolong flowering.
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Troubleshooting
Japanese beetles are fond of cuphea foliage.
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