When to Plant Asparagus in Henderson County, TN
Asparagus is a long-lived perennial vegetable that produces tender spears each spring for 15-20 years once established. It requires patience but rewards with reliable harvests.
Henderson County, Tennessee is in USDA Zone 7a. The average last spring frost is April 2 and the first fall frost is October 28, giving you a growing season of approximately 209 days.
At an elevation of 3,507 feet, Henderson County receives approximately 47.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92°F, providing good warmth for Asparagus during the growing season.
Henderson County Soil Profile
Soil Type
Silt Loam
Soil pH
5.3-6.8
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Asparagus Planting Timeline — Henderson County, TN
Asparagus Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
730–1095 days
Soil pH
6.5 – 7.5
USDA Zone
Zone 7a
Growing Season
209 days
Growing Tips for Henderson County
Plant crowns in deep trenches with compost. Do not harvest spears for the first two years to allow root establishment. Mulch heavily to suppress weeds and retain moisture.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Asparagus in Other Locations
Frequently Asked Questions
When should I plant Asparagus in Henderson County, TN?
Henderson County is in Zone 7a with an average last frost of April 2. Plan your Asparagus planting based on this frost date — see the calendar above for exact timing.
What planting zone is Henderson County, TN?
Henderson County, Tennessee is in USDA Hardiness Zone 7a. The average last spring frost is April 2 and first fall frost is October 28.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Henderson County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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