Asparagus
Asparagus officinalis
About it
- Kind
- Vegetables · Perennial
- Family
- Asparagaceae
- Mature size
- to 5 ft × 3 ft
- Hardiness zones
- Zones 3–8
- Sun
- Full sun
- Spacing
- 12 in apart, rows 36 in
- Soil depth in a pot
- At least 18 in
- Soil pH
- 6.5–7.5
- Water
- About every 7 days
When to plant
- Plant out
- Plant out 4 weeks before the last frost
- Window
- Open for about 3 weeks
Based on your last frost date. Outside the US, check local advice.
Varieties people grow
- Mary Washington— the old open-pollinated standard; uneven spears
- Millennium— all-male hybrid; the current cold-hardy standard
- Purple Passion— purple spears, sweeter raw; they green when cooked
Planting partners
No cited companion planting notes for Asparagus yet.
Safety for pets and children
- Cats No information in our sources
- Dogs No information in our sources
- Horses No information in our sources
- Children No information in our sources
"No information" means our sources do not say, not that the plant is harmless. A non-toxic listing is not a reason to let anyone eat a plant.
Pests and diseases
No pest or disease notes for Asparagus yet.
Check the label and your local extension service before using any product.
Where this comes from
Source: UMN Extension ↗
- family npgsweb.ars-grin.gov ↗ GRIN page: Asparagus officinalis L.
- maturity counted from The Old Farmer's Almanac ↗ The crown planting itself is the dated event; see notes above
- Most facts UMN Extension ↗ Backfilled by 0041. Pre-0041 rows recorded one source for the whole row; per-field attribution was never captured and is not invented here.
- sow window weeks The Old Farmer's Almanac ↗ -4 through -2 inclusive
- transplant weeks rel last frost The Old Farmer's Almanac ↗ Almanac: crowns "planted about 2 to 4 weeks before your last spring frost date"