Lisianthus
Lisianthus is a flower in the Gentianaceae family. It grows best in full sun with medium moisture, and is listed for USDA zones 8-10. Plants reach maturity about 140–160 days after planting and sit about 6 inches apart.
Varieties
1 · sorted by days to maturity▸Lisianthus140–160 days
PROPAGATION CATEGORY: Seed (difficult) (not currently in seed catalog). Bloom season: Summer. Attracts: Bees, butterflies. Flower meaning: Appreciation, charisma.
Lisianthus (Eustoma russellianum, syn. E. grandiflorum) has elegant, rose-like ruffled blooms and outstanding vase life, making it a high-end cut flower. Native to U.S. prairies. Can be grown from seed but is notoriously slow and challenging — many growers start from plugs.
Growing notes: Botanical name: Eustoma russellianum|Hardiness zones: 8-10|Propagation: seed (slow/difficult)|Sun needs: Full sun|Water needs: Medium|Mature height: 1-3 feet|Spacing: 9 inches|Bloom season: Summer
Plant spacing
In a square-foot bed, space lisianthus about 6 in apart — that fits 4 plants in each 1-foot square (2×2). Wider rows or containers space the same.
Plan your lisianthus planting
Add lisianthus to a free GardenDraft plan and get sow, transplant, and harvest dates computed for your ZIP code — with a drag-and-drop bed layout and reminders when it’s time to plant.
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Growing timeline
Care & troubleshooting
No curated care & troubleshooting advice for lisianthus yet. Our extension-sourced library currently focuses on common edible crops; we're expanding it over time.