Amaranthus (Love-Lies-Bleeding) in Zone 10a & 10b
Amaranthus caudatus
When to plant amaranthus (love-lies-bleeding) in zone 10b
Zones 10a and 10b share the same average frost dates in our data, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Amaranthus (Love-Lies-Bleeding) tolerates either.
| Start indoors | Dec 26–Jan 2 '27 |
|---|---|
| Direct sow / transplant outside | Jan 30–Feb 6 |
| Estimated bloom | Apr 30–May 7 (~90 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 3-5 ft.

Amaranthus is an ornamental relative of the vegetable amaranths, grown not for its leaves but for its long, rope-like tassels of tiny flowers, deep red in the classic "love-lies-bleeding" form that gives the plant its common name.
How amaranthus (love-lies-bleeding) fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Amaranthus (Love-Lies-Bleeding) needs about 90 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Amaranthus (Love-Lies-Bleeding).
Where to buy amaranthus seeds
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See it growing
Search YouTube for "growing amaranthus (love-lies-bleeding)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 10b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Amaranthus (Love-Lies-Bleeding) in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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