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Planting Season: Start seeds or tubers indoors in late winter to early spring (January to March). Transplant outdoors after the last frost (typically April to May).
Blooming Period: Mid-summer to early fall (June to September).
Germination Temp: 68–75°F (20–24°C). Avoid frost.
Light Requirement: Partial shade to filtered light.
Soil: Well-draining, rich in organic matter.
✓ Adds garden color with an easy seed-starting option
✓ Useful for beds, borders, containers, or mixed plantings
✓ A practical choice for seasonal flower displays
✓ Pairs well with other annual and perennial garden favorites
✓ Good for gardeners building a more colorful outdoor space
Sow Tuberous Begonia in spring where it can receive partial shade. Keep the seedbed evenly moist until germination, usually 10-21 days.
Grow plants to about 8-18 in. and plan for blooms in about 90-120 days.
Best suited to USDA zones Annual; 10A-11B. Adjust sowing time for your local frost dates and summer heat.
Tips for sowing, growing and enjoying your next seed order.
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