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Container growing guide

Oca

Oca / New Zealand Yam

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

RoothardexperimentalCool season
Reference guide
38terrace 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: —.

ExperimentalOca is experimental for terrace growing in hot climates — no month is marked “best”. Treat as a trial crop with extra shade, chill, or care.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Not recommendedPossibleGoodBest
Oca monthly sowing suitability
MonthSuitability
JanuaryNot recommended
FebruaryNot recommended
MarchNot recommended
AprilNot recommended
MayNot recommended
JuneNot recommended
JulyNot recommended
AugustPossible
SeptemberGood
OctoberGood
NovemberGood
DecemberPossible
Growing requirements
Sun
5–7 hours direct light
Water
Medium
Shade tolerance
Medium
Container
15L (15 inch grow bag)
Soil depth
30 cm
Support
None
First harvest
90 days from sowing
Lifecycle
120 days
Timeline

Germination: about 8 days.

Flowering begins: around day 35.

First harvest: around day 90.

Harvest window: roughly 45 days.

Terrace notes for Oca

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
  • Experimental

Questions about growing Oca

Can I grow Oca or Oca / New Zealand Yam in a balcony or terrace?

Yes, Oca can be grown in a balcony or terrace if you can provide 5-7 hours of direct light and a container around 15L.

Which month is best to sow Oca?

The best sowing months for Oca are —. Check the monthly calendar on this page before sowing outside that window.

What size pot or grow bag does Oca need?

Oca works best in a container around 15L with at least 30 cm of soil depth and reliable drainage.

How many days does Oca take to harvest?

Oca usually reaches first harvest in about 90 days from sowing, with a harvest window of roughly 45 days.

What are common pests and diseases for Oca?

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

Plan Oca on your terrace

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

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