Angelonia (Summer Snapdragon) in Zone 6a & 6b

Angelonia angustifolia

When to plant angelonia (summer snapdragon) in zone 6b

Zones 6a and 6b 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 indoorsMar 7–Mar 14
Direct sow / transplant outsideMay 9–May 16
Estimated bloomAug 15–Aug 22 (~98 days after transplanting)

Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.

Angelonia (Summer Snapdragon)
Photo: Krzysztof Golik via Wikimedia Commons, CC BY-SA 4.0, cropped.

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 6's season

Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. 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)

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Growing Angelonia (Summer Snapdragon) in USDA zone 6b

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Growing Angelonia (Summer Snapdragon) in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.

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