Vegetable Amaranth in Zone 9a & 9b
Amaranthus tricolor
When to plant vegetable amaranth in zone 9b
Zones 9a and 9b 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 | Mar 1–Mar 8 |
| Estimated harvest | Apr 10–Apr 17 (~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 9's season
Zone 9b's frost-free window runs about 293 days, from February 15 to December 5. Vegetable Amaranth needs about 40 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Vegetable Amaranth.
Where to buy vegetable amaranth seeds
See why we recommend these suppliers →
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.
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 9b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
Pin this for later
Growing Vegetable Amaranth in USDA zone 9b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
Save to Pinterest