
New Hampshire Purple Cranebill
Geranium macrorrhizum 'New Hampshire Purple'
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
24 inches
Light
Full Sun, Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Moderate, drought-tolerant once established
Humidity
Average garden humidity
Lifespan
Perennial
Native To
Europe
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Geranium macrorrhizum 'New Hampshire Purple' is a vigorous perennial with aromatic foliage and vibrant purple flowers. Notable for its long-lasting blooms and excellent ground cover characteristics.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Choose well-drained soil with loam or sandy texture.
- Tuck seeds or divisions into soil in early spring or fall.
- Water regularly to keep soil moist but not soggy.
- Apply a light mulch to retain moisture and suppress weeds.
- Fertilize with a balanced, slow-release fertilizer in spring.
- Prune after flowering to shape and remove dead growth.
Pro Tip
Provide excellent drainage and avoid overwatering to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry spells π±
- Prune lightly after flowering to encourage bushiness
- Mulch annually to conserve moisture and suppress weeds
- Fertilize in early spring with a balanced fertilizer
Don't
- Avoid overwatering to prevent root rot β
- Donβt prune in late fall or winter
- Refrain from using heavy, clay-rich soil without amendments
- Do not neglect pest management
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| 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
New Hampshire Purple Cranebill questions
What zones can New Hampshire Purple Cranebill grow in?
New Hampshire Purple Cranebill is hardy in USDA Zones 4β8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is New Hampshire Purple Cranebill deer resistant?
Yes β New Hampshire Purple Cranebill is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does New Hampshire Purple Cranebill bloom?
New Hampshire Purple Cranebill typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone β Sow's bloom calendar maps it to your garden.
Does New Hampshire Purple Cranebill need full sun?
New Hampshire Purple Cranebill does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is New Hampshire Purple Cranebill drought tolerant?
Yes β once established (usually after the first full season), New Hampshire Purple Cranebill handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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