Diablo Cuphea is a compact, heat-loving flower that brings fiery color to summer and fall gardens from June through November. This cultivar of Cuphea llavea grows 24-30 inches tall with a spread of 18-24 inches, thriving in full sun across zones 9 and warmer. Starting from seed to first bloom takes about 84 days, making it quick enough for mid-season color, and it handles drought with grace while still rewarding regular moisture with more abundant flowers.
1
Full Sun
Moderate
9-9
30in H x 24in W
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High
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Diablo Cuphea shines as a pollinator magnet that requires minimal fussing once established. The plant's drought tolerance means it performs beautifully in hot, sunny spots where other flowers struggle, yet it responds generously to weekly watering with increased bloom production. Its long bloom window from early summer through late fall keeps color flowing when many other plants are fading, and the compact form makes it equally at home in garden beds or containers without requiring aggressive pruning.
Diablo Cuphea serves primarily as an ornamental flower for summer and fall displays. Its compact size and pollinator appeal make it suited to mixed borders, cottage gardens, and container plantings where season-long color is desired.
No timeline data available yet for this variety.
Start seeds indoors 8 weeks before your last frost date. Sow at a depth of 1/16 to 1/4 inch and keep soil at 65-75°F. Seeds typically sprout in 5-15 days.
Transplant out after the last frost date has passed.
Direct sow seeds outdoors after the last frost date.
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