The Story
Plant Bio
Angelonia angustifolia, commonly known as Summer Snapdragon, is a tender perennial typically grown as an annual. It features an upright, bushy habit with narrow green leaves and continuous blooms of snapdragon-like flowers on tall spikes throughout the warm season.
The 'Angelface Blue' cultivar is part of a series known for its large flowers, vigorous upright growth, and excellent performance in heat and humidity. It produces striking spikes of deep violet-blue flowers.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
15 inches
Light
Full Sun, Partial Sun
Zones
9, 10
Water
Moderate, drought-tolerant once established
Humidity
Average
Lifespan
Tender Perennial / Annual
Native To
Mexico, West Indies
Toxicity
Non-toxic
Planting
How to Grow
- Tuck seeds into moist soil in spring
- Maintain consistent watering for 6 weeks
- Place in full sun for best blooms
- Fertilize monthly during growing season
- Pinch back to encourage bushiness
- Deadhead spent flowers regularly
Pro Tip
Ensure well-draining soil and full sun for vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Deadhead to promote continuous flowering
- Pinch stems to encourage bushiness
Don't
- Overwater to prevent root rot ❌
- Avoid heavy fertilization in late season
- Don’t let soil stay waterlogged
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Summer Snapdragon questions
What zones can Summer Snapdragon grow in?
Summer Snapdragon is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Summer Snapdragon deer resistant?
Not reliably. Deer may browse Summer Snapdragon, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Summer Snapdragon bloom?
Summer Snapdragon typically blooms in summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Summer Snapdragon need full sun?
Summer Snapdragon does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Summer Snapdragon drought tolerant?
Yes — once established (usually after the first full season), Summer Snapdragon handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Angelonia to compare

Angelonia Angelface Perfectly Pink
Angelonia angustifolia 'Angelface Perfectly Pink'

Archangel Pink Summer Snapdragon
Angelonia angustifolia 'Archangel Pink'

Angelonia Angelface White
Angelonia angustifolia 'Angelface White'

Angelface Angelonia
Angelonia angustifolia 'Angelface'

Angelonia
Angelonia angustifolia
Keep exploring
Explore the genus
Hardy in your zone?
Grow Summer Snapdragon with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.





