Angelonia (Summer Snapdragon) in Zone 5a & 5b

Angelonia angustifolia

When to plant angelonia (summer snapdragon) in zone 5b

Zones 5a and 5b 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 22–Mar 29
Direct sow / transplant outsideMay 24–May 31
Estimated bloomAug 30–Sep 6 (~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 5's season

Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. 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

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 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 5b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

Growing Angelonia (Summer Snapdragon) in USDA zone 5b

Pin this for later

Growing Angelonia (Summer Snapdragon) in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.

Save to Pinterest