Ornamental Hibiscus
Mahogany Splendor Hibiscus grows as a striking ornamental shrub with deep mahogany-red foliage that commands attention in summer and fall gardens. This heat-loving cultivar reaches 40-70 inches tall and blooms reliably from June through November in zones 8-9, thriving in full sun with consistent moisture. From seed to first flowers takes 115-130 days, rewarding patient gardeners with both decorative foliage and vibrant blooms. The compact growth habit and drought tolerance once established make it surprisingly low-maintenance for a plant with such dramatic presence.
Full Sun
High
8-9
70in H x 36in W
Annual
High
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Deep mahogany-red foliage provides season-long garden drama even before flowers appear, making this hibiscus valuable for cutting and arrangement work. The plant flowers generously across six months of the growing season while handling heat and drought with remarkable resilience. Its compact stature fits container gardens, borders, and small spaces where larger hibiscus varieties would overwhelm the landscape, yet it still reaches full ornamental size.
Mahogany Splendor Hibiscus serves as a garden focal point and cutting plant, prized for both its mahogany foliage and summer-through-fall blooms. The mature stems and leaves are harvested for fresh arrangements and garden accent, while the living plant attracts pollinators throughout its extended flowering season.
Sow seeds indoors 6-8 weeks before your last spring frost date. Scarify seeds by chipping or filing the seed coat, then soak in warm water for about one hour. Sow in sterile germinating mix, covering seeds lightly. Keep the growing medium at 70-85°F for germination, which typically occurs within 7-21 days. Use sterile mix to prevent fungal problems.
Transplant seedlings outdoors after all danger of frost has passed. Harden off plants gradually by exposing them to outdoor conditions over 7-10 days before planting in their final location. Space plants 24 inches apart. Applying a soil warming mulch such as black plastic or black solar mulch helps this heat-loving crop establish faster.
Direct sow after the last spring frost in warmer areas (zones 7 and above), though transplanting is recommended for best results.
For cut foliage, harvest mature leaves once they have lost their tender quality and stems are straight, firm, and at least slightly woody. Harvest in the morning when cut flowers are freshest and petals are just opening. Use a clean knife dipped in a 10% household bleach solution to prevent disease transmission.
Prune to maintain compact form and encourage bushier growth; specific pruning details are not provided in available sources.
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