Paudho ecosystem
Container growing guide
Cosmos
Cosmos
Airy daisy-like flowers on wispy stems. Self-seeds easily in pots.
Planting calendar
Month-by-month sowing suitability (northern-hemisphere reference — the app shifts calendars for your latitude). Best months to sow: Apr–Aug.
| Month | Suitability |
|---|---|
| January | Not recommended |
| February | Not recommended |
| March | Good |
| April | Best |
| May | Best |
| June | Best |
| July | Best |
| August | Best |
| September | Good |
| October | Possible |
| November | Not recommended |
| December | Not recommended |
Traits
- Beginner safe
- Monsoon friendly
- Low effort
- Terrace star
Questions about growing Cosmos
Can I grow Cosmos in a balcony or terrace?
Yes, Cosmos 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 Cosmos?
The best sowing months for Cosmos are Apr–Aug. Check the monthly calendar on this page before sowing outside that window.
What size pot or grow bag does Cosmos need?
Cosmos works best in a container around 10L with at least 20 cm of soil depth and reliable drainage.
How many days does Cosmos take to harvest?
Cosmos usually reaches first harvest in about 60 days from sowing, with a harvest window of roughly 45 days.
What are common pests and diseases for Cosmos?
Watch for Aphids, Whitefly and Leaf spot, Powdery mildew. Start checks early and improve airflow if leaves stay wet.