The Story
Plant Bio
Mirabilis longiflora is a perennial flowering plant known for its slender, elongated trumpet-shaped flowers and lush green foliage, typically blooming in shades of white or pale colors during warm seasons.
This species is distinguished by its highly fragrant, long-lasting flowers that attract pollinators and its ability to thrive in well-drained, sunny environments.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
8, 9, 10
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Southwestern U.S., Mexico
Toxicity
All parts are toxic if ingested
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into moist soil in spring for best germination.
- Water regularly to keep soil evenly moist during growing season.
- Provide full sun for abundant flowering.
- Fertilize monthly with balanced fertilizer during summer.
- Pinch back to encourage bushier growth in early summer.
- Divide clumps every 2-3 years in early spring for propagation.
Pro Tip
Ensure well-drained soil and full sun for vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water consistently during dry spells 🌱
- Prune after flowering to maintain shape
- Apply mulch to retain moisture
Don't
- Overwater to prevent root rot ❌
- Avoid heavy fertilization late in the season
- Don’t disturb roots when dividing
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lift Store | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Long-flowered Four O'Clock questions
What zones can Long-flowered Four O'Clock grow in?
Long-flowered Four O'Clock is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Long-flowered Four O'Clock deer resistant?
Not reliably. Deer may browse Long-flowered Four O'Clock, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Long-flowered Four O'Clock bloom?
Long-flowered Four O'Clock 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 Long-flowered Four O'Clock need full sun?
Long-flowered Four O'Clock does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Long-flowered Four O'Clock drought tolerant?
Yes — once established (usually after the first full season), Long-flowered Four O'Clock handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Mirabilis to compare
Keep exploring
Explore the genus
Hardy in your zone?
Grow Long-flowered Four O'Clock 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.