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Container growing guide

Impatiens

Impatiens / Balsam

Impatiens grows well in containers with the right season and container size.

HerbeasyseasonalWet seasonWarm season
Reference guide
80terrace fit
Open in Grow

Planting calendar

Month-by-month sowing suitability (northern-hemisphere reference — the app shifts calendars for your latitude). Best months to sow: May–Sep.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Not recommendedPossibleGoodBest
Impatiens monthly sowing suitability
MonthSuitability
JanuaryNot recommended
FebruaryNot recommended
MarchNot recommended
AprilGood
MayBest
JuneBest
JulyBest
AugustBest
SeptemberBest
OctoberGood
NovemberNot recommended
DecemberNot recommended
Growing requirements
Sun
6–7 hours direct light
Water
Medium
Shade tolerance
Medium
Container
10L (12 inch pot)
Soil depth
20 cm
Support
None
First harvest
55 days from sowing
Lifecycle
120 days
Timeline

Germination: about 8 days.

Flowering begins: around day 35.

First harvest: around day 55.

Harvest window: roughly 45 days.

Terrace notes for Impatiens

Suitable for containers with regular watering and good drainage.

Care tips

  • Water when the top inch of soil dries.
  • Harvest regularly to encourage new growth.
Common pests
  • Aphids
  • Whitefly
Common diseases
  • Leaf spot
  • Powdery mildew

Traits

  • Beginner safe
  • Monsoon friendly
  • Low effort

Questions about growing Impatiens

Can I grow Impatiens or Impatiens / Balsam in a balcony or terrace?

Yes, Impatiens can be grown in a balcony or terrace if you can provide 6-7 hours of direct light and a container around 10L.

Which month is best to sow Impatiens?

The best sowing months for Impatiens are May–Sep. Check the monthly calendar on this page before sowing outside that window.

What size pot or grow bag does Impatiens need?

Impatiens works best in a container around 10L with at least 20 cm of soil depth and reliable drainage.

How many days does Impatiens take to harvest?

Impatiens usually reaches first harvest in about 55 days from sowing, with a harvest window of roughly 45 days.

What are common pests and diseases for Impatiens?

Watch for Aphids, Whitefly and Leaf spot, Powdery mildew. Start checks early and improve airflow if leaves stay wet.

Plan Impatiens on your terrace

Track Impatiens in Grow for location-aware sowing windows, care tasks and inventory tracking.

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