Mary Washington Asparagus
Asparagus officinalis 'Mary Washington'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Fruit Vegetable
Height
60 inches
Width
36 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
15-20 years
Native To
Europe and Asia
Toxicity
Berries are toxic if ingested
The Story
Plant Bio
Perennial vegetable known for its tender young shoots. Mary Washington is an heirloom variety known for its high yield and exceptional flavor.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-drained soil and water thoroughly.
- Keep soil moist and provide full sun for optimal growth.
- Mist cuttings regularly to maintain humidity during propagation.
- Divide mature crowns in early spring or fall to propagate.
- Mulch around plants to conserve moisture and suppress weeds.
- Transplant seedlings or divisions in early spring after last frost.
Pro Tip
Use well-draining sandy loam soil and avoid overwatering to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 💧
- Prune in late winter to promote healthy growth ✂️
- Apply balanced fertilizer in early spring 🌱
- Mulch to retain soil moisture and suppress weeds
- Monitor for pests and diseases consistently
Don't
- Avoid overwatering, which can cause root rot ❌
- Do not neglect pruning, as it encourages vigorous growth
- Never plant in waterlogged soil
- Avoid high nitrogen fertilizers that can promote weak growth
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup | ||||||||||||
| Winter Prep |
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
Mary Washington Asparagus questions
What zones can Mary Washington Asparagus grow in?
Mary Washington Asparagus 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 Mary Washington Asparagus deer resistant?
Yes — Mary Washington Asparagus is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Mary Washington Asparagus bloom?
Mary Washington Asparagus typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Mary Washington Asparagus need full sun?
Mary Washington Asparagus does best in full sun (6+ hours).
Is Mary Washington Asparagus drought tolerant?
Yes — once established (usually after the first full season), Mary Washington Asparagus 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
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Grow Mary Washington Asparagus 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.
