Essentials
At a Glance
Plant Type
Perennial
Height
20 inches
Width
8 inches
Light
Full Sun
Zones
8, 9
Water
Moderate once established
Humidity
Average
Lifespan
Perennial
Native To
South America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Cypella coelestis is a perennial plant distinguished by its narrow, grass-like leaves and striking, bell-shaped flowers that display a vibrant blue hue, often with darker markings. This species is particularly valued for its striking blue flowers that bloom in late spring to early summer, adding vivid color to rock gardens and borders.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-drained soil in early spring
- Water lightly until germination occurs
- Ensure full sun exposure for best flowering
- Thin seedlings to prevent overcrowding after emergence
- Mulch to retain moisture and suppress weeds
- Divide clumps every 3-4 years in early spring
Pro Tip
Plant in well-drained soil with full sun for optimal blooms
Keep It Thriving
Care Guide
Do
- Water during dry spells 🌱
- Apply a balanced fertilizer in spring
- Remove spent flowers to encourage more blooms
Don't
- Overwater to prevent root rot ❌
- Plant in poorly drained soil
- Forget to mulch in summer
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| Pest Check | ||||||||||||
| Plant |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Goblet Flower questions
What zones can Goblet Flower grow in?
Goblet Flower 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 Goblet Flower deer resistant?
Not reliably. Deer may browse Goblet Flower, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Goblet Flower bloom?
Goblet Flower typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Goblet Flower need full sun?
Goblet Flower does best in full sun (6+ hours).
Is Goblet Flower drought tolerant?
Yes — once established (usually after the first full season), Goblet Flower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Goblet Flower 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.
