Angelonia (Summer Snapdragon) in Zone 11a & 11b
Angelonia angustifolia
When to plant angelonia (summer snapdragon) in zone 11b
Zones 11a and 11b 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.
| Start indoors | Nov 13–Nov 20 |
|---|---|
| Direct sow / transplant outside | Jan 15–Jan 22 |
| Estimated bloom | Apr 23–Apr 30 (~98 days after transplanting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.
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 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 Angelonia (Summer Snapdragon).
Where to buy angelonia seeds
See why we recommend these suppliers →
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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 11b 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 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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