Angelonia (Summer Snapdragon) in Zone 10a & 10b
Angelonia angustifolia
When to plant angelonia (summer snapdragon) in zone 10b
Zones 10a and 10b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Angelonia (Summer Snapdragon) needs a head start most zones can't give it by direct-sowing alone.
| Window | Spring window |
|---|---|
| Start indoors | Jan–May |
| Direct sow / transplant outside | Mar–Jul |
| Estimated bloom | Jun 7–Nov 6 (~98 days after transplanting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.
Zone 10b dates sourced from growinginthegarden.com.
Angelonia (summer snapdragon) is a tender perennial in zones 9b-11, but almost everywhere else it's grown as a heat-loving annual, and it's specifically called out by Growing In The Garden as a strong choice for low-desert summer heat. Upright 1- to 2-foot stems carry small spurred spikes of orchid-like blooms in purple, white, or pink.
How angelonia (summer snapdragon) fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Angelonia (Summer Snapdragon) needs about 98 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Angelonia (Summer Snapdragon).
Where to buy angelonia seeds
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See it growing
Search YouTube for "growing angelonia (summer snapdragon)" 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 Angelonia (Summer Snapdragon) in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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