
Diamond Lake Hosta
Hosta plantaginea 'Diamond Lake'
Essentials
At a Glance
Plant Type
Perennial
Height
18 inches
Width
40 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Consistently moist soil
Humidity
Prefers humid environments
Lifespan
Perennial
Native To
Asia
Toxicity
Toxic to dogs, cats, and horses.
The Story
Plant Bio
Hosta 'Diamond Lake' is a popular hybrid hosta prized for its large, heart-shaped, heavily corrugated blue leaves with wavy margins. This cultivar is prized for its leaf texture and ability to thrive in shaded areas, making it an excellent choice for woodland gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Choose a shaded spot with rich, well-draining soil.
- Tuck roots into the soil, ensuring the crown is just below soil level.
- Water thoroughly after planting to settle soil around roots.
- Mist cuttings or divisions regularly to maintain moisture.
- Mulch around the plant to retain soil moisture and regulate temperature.
- Fertilize with a balanced, slow-release fertilizer in early spring.
Pro Tip
Plant hostas in shaded areas to prevent leaf scorch and ensure lush foliage.
Keep It Thriving
Care Guide
Do
- Provide consistent moisture, especially during dry spells 🌱
- Apply mulch to keep roots cool and moist
- Divide clumps every 3-4 years to promote healthy growth
- Remove dead or damaged leaves to encourage new growth
Don't
- Avoid direct sunlight which can scorch leaves ❌
- Do not let soil dry out completely
- Refrain from over-fertilizing to prevent leaf burn
- Avoid planting in overly wet or poorly drained areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| 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
Diamond Lake Hosta questions
What zones can Diamond Lake Hosta grow in?
Diamond Lake Hosta is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Diamond Lake Hosta deer resistant?
Not reliably. Deer may browse Diamond Lake Hosta, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Diamond Lake Hosta bloom?
Diamond Lake Hosta typically blooms in mid-summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Diamond Lake Hosta need full sun?
Diamond Lake Hosta does best in part shade.
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