Tennessee planting calendar
When to plant asparagus in Tennessee — sow, transplant & harvest dates
Tennessee is mostly USDA zone 7a (range 6a-8a). Dates below are derived from asparagus's frost tolerance and Tennessee's frost window — not generic national averages.
Asparagus planting timetable for Tennessee
| Stage | When in Tennessee | Anchor |
|---|---|---|
| Direct-sow outside | late March (March 25) | 21 days before the last frost (mid-April) |
| First harvest (estimate) | late March (March 24) | ~730 days from direct sow |
Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.
Why Tennessee's climate shifts the asparagus dates
Tennessee's last spring frost averages mid-April and first fall frost late October, which sets the whole planting clock. Tennessee has a long, humid, warm season with mild winters. The eastern mountains run a zone cooler than the western lowlands. Wait for warm soil — asparagus stall in cold ground even after the air warms, so don't rush them out.
Asparagus is almost always established from year-old crowns rather than seed; plant them in a prepared trench 20-30 cm deep as soon as the soil can be worked in early spring, 2-3 weeks before the last frost. Do not harvest at all in year one, harvest sparingly for 2-3 weeks in year two, and from year three onward you can take a full 6-8 week spring harvest. Crowns are reliably cold-hardy to zone 3 but require winter dormancy — they are poorly suited to zones 10-11 where winters are too warm to meet the chilling requirement.
Frost-risk note
Don't plant before mid-April — a hard freeze can still set young plants back. In the eastern Appalachian highlands (zone 6a) the safe date runs a week or two later.
Regional variation within Tennessee
the eastern Appalachian highlands (zone 6a) runs roughly 1-2 weeks behind the state average; the western Mississippi lowlands near Memphis (zone 8a) can plant 1-2 weeks earlier.
- Nashville — USDA zone 7b
- Memphis — USDA zone 8a
- Knoxville — USDA zone 7b
- Chattanooga — USDA zone 7b
What else to plant in Tennessee around then
Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.
Quick-grow guide
- Sun: Full sun — 6-8 hours direct.
- Soil temperature for germination: Soil 10-18 °C (50-65 °F) at crown planting.
- Spacing: 12-18 inches (30-45 cm) between plants.
- Days to harvest: ~730 days from planting out.
Frequently asked questions
When is the best time to plant asparagus in Tennessee?
In Tennessee (mostly USDA zone 7a), direct-sow asparagus late March (before the last frost, mid-April), and harvest from late March. Asparagus are cold-hardy — they tolerate frost and actively prefer cool weather, so they go in well before the last spring frost and bolt in summer heat.
What USDA zone is Tennessee?
Most of Tennessee sits in USDA hardiness zone 7a, with the state spanning roughly 6a-8a from the eastern Appalachian highlands (zone 6a) to the western Mississippi lowlands near Memphis (zone 8a). The last spring frost averages mid-April and the first fall frost late October.
Can you grow asparagus in Tennessee?
Yes. Tennessee's dominant zone 7a supports asparagus — the key is timing. Asparagus are cold-hardy — they tolerate frost and actively prefer cool weather, so they go in well before the last spring frost and bolt in summer heat.
Does the planting date change across Tennessee?
the eastern Appalachian highlands (zone 6a) runs roughly 1-2 weeks behind the state average; the western Mississippi lowlands near Memphis (zone 8a) can plant 1-2 weeks earlier.
What else can I plant in Tennessee around the same time?
Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.
Source and methodology
State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.
Keep going
- How to grow asparagus — full guide
- USDA zone 7 — frost dates and what else to plant
- Average frost dates by zone
- Frost-date calculator
- Month-by-month planting calendar
- When to plant asparagus in every US state
Same crop, nearby states (Southeast)
- When to plant asparagus in Virginia
- When to plant asparagus in West Virginia
- When to plant asparagus in Alabama
- When to plant asparagus in Arkansas
- When to plant asparagus in Florida
- When to plant asparagus in Georgia
- When to plant asparagus in Kentucky
- When to plant asparagus in Louisiana