
Shasta Daisy 'Marshmallow'
Leucanthemum x superbum 'Marshmallow'
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Perennial
Native To
Garden origin
Toxicity
Toxic to dogs, cats, and horses if ingested.
The Story
Plant Bio
Leucanthemum x superbum is a robust herbaceous perennial known for its classic white, daisy-like flowers with yellow centers, borne on sturdy stems above a clump of dark green, toothed leaves. 'Marshmallow' is a compact cultivar noted for its large, fluffy, double white flowers with creamy yellow centers, resembling marshmallows. The flowers bloom profusely over a long period.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into moist soil and lightly cover with soil.
- Water regularly to maintain even moisture during germination.
- Transplant seedlings when they are 3 inches tall into full sun.
- Fertilize with balanced fertilizer in early spring.
- Mulch around plants to retain moisture and suppress weeds.
- Deadhead spent flowers to encourage more blooms.
Pro Tip
Plant in well-drained loamy soil in full sun for best results.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Deadhead regularly to prolong flowering
- Divide every 3-4 years to maintain vigor
- Apply a balanced fertilizer in spring
Don't
- Avoid overwatering to prevent root rot ❌
- Don't cut back in late fall, wait until early spring
- Refrain from fertilizing in late summer
- Don't plant in heavy clay soils without amendment
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| 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
Shasta Daisy 'Marshmallow' questions
What zones can Shasta Daisy 'Marshmallow' grow in?
Shasta Daisy 'Marshmallow' is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Shasta Daisy 'Marshmallow' deer resistant?
Yes — Shasta Daisy 'Marshmallow' is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Shasta Daisy 'Marshmallow' bloom?
Shasta Daisy 'Marshmallow' typically blooms in summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Shasta Daisy 'Marshmallow' need full sun?
Shasta Daisy 'Marshmallow' does best in full sun (6+ hours).
Is Shasta Daisy 'Marshmallow' drought tolerant?
Yes — once established (usually after the first full season), Shasta Daisy 'Marshmallow' handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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