Skip to main content
← All plants

Balsam

Impatiens balsamina
Also known as: Garden Balsam, Rose Balsam

Balsam is a flower in the Balsaminaceae 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 63–77 days after planting and sit about 12 inches apart.

Varieties

1 from True Leaf Market · sorted by days to maturity
  • Mixed Colors63–77 days

    Non-GMO; Container; Annual

    63-77 Days to maturity. Impatiens balsamina. Mixed Colors Balsam Seeds. Non-GMO, open-pollinated, annual. Premium Quality Seeds. Growing balsam flowers from seeds this season is an effortless and vibrant way to splash some summertime brilliance into your home or garden. Balsam boast elegant 24 inches tall plants of dense "gardenia-like" blooms, ideal for indoor planters or as an eye-catching highlight around any shady flower bed. Mixed Colors balsam flower seeds are a wonderful substitute for accenting seasonal baskets and patios. About 2,800 seeds per ounce.

    View on True Leaf Market
Family
Balsaminaceae
Category
Flower
Form
Bush
Lifecycle
annual
Zone
2-13
Height
2–2 ft
Spread
1–1.5 ft
Sun
Full sun to part shade

Plant spacing

1 plant per square footSquare-foot planting diagram: one balsam fills a 1-foot square, spaced 12 inches from its neighbors.
1 plant per square foot

In a square-foot bed, space balsam about 12 in apart — that fits 1 plant in each 1-foot square (1×1). Wider rows or containers space the same.

Water
Medium

Plan your balsam planting

Add balsam 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
63–77 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
~65%
Typical minimum germination rate

Growing timeline

When to plant and harvest balsamPlanting timeline for balsam, relative to last frost: start indoors from 7 weeks before last frost to 1 week after last frost; grow from 1 week after last frost to 10 weeks after last frost; harvest from 10 weeks after last frost to 12 weeks after last frost.Start indoorsGrowHarvestLast frostTransplant
Start balsam indoors ~8 weeks before transplanting 1 week after last frost; first harvest 10 weeks after last frost.
Seed to transplant
42-56 days
Outdoor planting
7 to 14 days vs frost
Propagation
Seed
Schedule anchor
Last Frost

Care & troubleshooting— extension-sourced, with citations

Something looks wrong?

Describe what you see on your balsamand we'll rank the likely causes — most likely first, least-invasive fix first.

Spider mites

Pestmoderate

Symptoms: fine pale stippling/speckling on leaves; fine webbing on undersides in hot dry spells; leaves bronzing and dropping

  • CulturalHose down and raise humidity· every 3 days · ~2 wksstrong evidence — extension confidence

    Mites thrive in hot, dry, dusty conditions. Spray foliage (especially undersides) with water to dislodge them and reduce dust.

    Source: UC IPM

  • OrganicInsecticidal soap or horticultural oil - label use only· every 5 days · ~2 wksmoderate evidence — extension confidence

    Apply to undersides per label; mites resist many products, so soaps/oils are preferred. Not in extreme heat.

    Always follow the product label — it is the law.

    Source: UC IPM

Aphids

Pestlow

Symptoms: clusters of tiny soft-bodied insects on new growth and undersides; sticky honeydew or sooty mold; curled distorted new leaves; ants tending them

  • CulturalBlast off with water· every 3 days · ~2 wksstrong evidence — extension confidence

    Knock colonies off with a strong jet of water in the morning; repeat every few days. Light infestations rarely need more.

    Source: UC IPM: Aphids

  • OrganicInsecticidal soap - label use only· every 1 wk · ~3 wksmoderate evidence — extension confidence

    For persistent colonies apply insecticidal soap to undersides per label. Avoid open flowers.

    Always follow the product label — it is the law.

    Source: UC IPM