Vegetable Amaranth in Zone 11a & 11b
Amaranthus tricolor
When to plant vegetable amaranth in zone 11b
Zones 11a and 11b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Vegetable Amaranth doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Jan 15–Jan 22 |
| Estimated harvest | Feb 24–Mar 3 (~40 days after direct-sowing) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.
Vegetable amaranth is a warm-season leafy green grown for its tender leaves, sometimes streaked in red, pink, or yellow depending on the strain, harvested young rather than left to reach the height of the ornamental amaranths.
How vegetable amaranth fits zone 11's season
Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.
Good companions
No standout companions recorded yet for Vegetable Amaranth.
Where to buy vegetable amaranth seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing vegetable amaranth" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Vegetable Amaranth in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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