Grace Ward Lithodora
Lithodora diffusa 'Grace Ward'
Essentials
At a Glance
Plant Type
Groundcover
Height
6 inches
Width
30 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Low; drought tolerant once established
Humidity
Prefers dry to moderate humidity
Lifespan
Evergreen sub-shrub
Native To
Southwestern Europe
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Lithodora diffusa is a low-growing, mat-forming, evergreen sub-shrub native to southwestern Europe. It is prized for its long-lasting, profuse, and intensely blue flowers and its preference for acidic, well-drained soils. This cultivar is known for its abundant, bright blue flowers and its ability to thrive in rock gardens or as ground cover.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-drained soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and encourage root development.
- Transplant seedlings once they have established roots, usually after 6 weeks.
- Prune lightly after flowering to maintain shape and promote new growth.
- Mulch around plants to conserve moisture and suppress weeds during spring and summer.
- Fertilize with a balanced, slow-release fertilizer in early spring for optimal growth.
Pro Tip
Ensure well-drained soil and full sun for vibrant, healthy plants.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Prune after flowering to shape the plant and promote bushiness
- Apply a balanced fertilizer in early spring for vigorous growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t fertilize in late fall to avoid encouraging weak new growth
- Refrain from heavy pruning during the hottest summer months
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
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
Grace Ward Lithodora questions
What zones can Grace Ward Lithodora grow in?
Grace Ward Lithodora is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Grace Ward Lithodora deer resistant?
Yes — Grace Ward Lithodora is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Grace Ward Lithodora bloom?
Grace Ward Lithodora typically blooms in late spring to summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Grace Ward Lithodora need full sun?
Grace Ward Lithodora does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Grace Ward Lithodora drought tolerant?
Yes — once established (usually after the first full season), Grace Ward Lithodora handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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