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Wax Begonia

Begonia x semperflorens-cultorum
Also known as: Fibrous

Wax Begonia is a flower in the Begoniaceae family. It grows best in full sun to part shade with medium moisture, and is listed for USDA zones 2-13. Plants reach maturity about 105–112 days after planting and sit about 6 inches apart.

Varieties

1 from True Leaf Market · sorted by days to maturity
  • Cocktail Series (Pelleted)105–112 days

    Non-GMO; Container; Annual

    105-112 Days to maturity. Begonia x semperflorens. Cocktail Series Fibrous Begonia Seeds. Non-GMO, hybrid, annual flower. Cocktail Series seeds easily grow classic and tidy begonias bursting with timeless - inch blooms. Begonias are native to the South American tropics and will thrive in a variety of humid and shaded summers across the country. Cocktail Series begonia seeds mature into dwarfed mounded plants ideal for urban or confined gardening. Cocktail Series begonia are a favorite for any decorative pot, planter, hanging basket, or garden bed. Pelleted Seeds.

    View on True Leaf Market
Family
Begoniaceae
Category
Flower
Form
Bush
Lifecycle
annual
Zone
2-13
Height
0.6666666666666666–1 ft
Spread
0.5–0.8333333333333333 ft
Sun
Full sun to part shade

Plant spacing

4 plants per square footSquare-foot planting diagram: a 1-foot square divided into a 2-by-2 grid holding 4 wax begonia plants spaced 6 inches apart.
4 plants per square foot

In a square-foot bed, space wax begonia about 6 in apart — that fits 4 plants in each 1-foot square (2×2). Wider rows or containers space the same.

Water
Medium

Plan your wax begonia planting

Add wax begonia 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.

Start your free plan →

At a glance

Days to harvest
105–112 days
From transplant or sow to first harvest
Harvest style
Harvest once
One main harvest
After harvest
Use within days
Quality eases off after peak
Frost tolerance
Tender · to ~32°F
Lowest temperature the foliage usually survives
Germination
~60%
Typical minimum germination rate

Growing timeline

When to plant and harvest wax begoniaPlanting timeline for wax begonia, relative to last frost: start indoors from 11 weeks before last frost to 1 week after last frost; grow from 1 week after last frost to 16 weeks after last frost; harvest from 16 weeks after last frost to 17 weeks after last frost.Start indoorsGrowLast frostTransplant
Start wax begonia indoors ~12 weeks before transplanting 1 week after last frost; first harvest 16 weeks after last frost.
Seed to transplant
70-84 days
Outdoor planting
7 to 14 days vs frost
Propagation
Seed
Schedule anchor
Last Frost

Care & troubleshooting

No curated care & troubleshooting advice for wax begonia yet. Our extension-sourced library currently focuses on common edible crops; we're expanding it over time.