When to plant Leeks in Nantucket County, MA
For Nantucket County, gardeners: plant Leeks March 29 through April 19 once soil reads 50°F. A second sowing from August 26 to September 9 extends the harvest into fall.
When to Plant Leeks in Nantucket County, MA
Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.
Nantucket County, Massachusetts is in USDA Zone 7b. The average last spring frost is April 12 and the first fall frost is November 4, giving you a growing season of approximately 206 days.
At an elevation of 632 feet, Nantucket County receives approximately 48 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Leeks during the growing season.
Nantucket County Soil Profile
Soil Type
Silt Loam
Soil pH
4.9-6.2
Drainage
Well Drained
Monthly Watering Guide for Leeks
Leeks needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Leeks Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 3.3" | 0" | ❄️ Dormant |
| Feb | — | 3.3" | 0" | ❄️ Dormant |
| Mar | — | 4.4" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| May | 4.3" | 4.9" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 4.9" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Sep | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Oct | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Nov | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Dec | — | 3.3" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Nov in Nantucket County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Leeks Planting Timeline — Nantucket County, MA
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 8 | Mar 8 – Mar 22 |
| Transplant Outdoors | April 12 | Apr 12 – Apr 26 |
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Harvest | July 12 | Jul 12 – Sep 27 |
| Fall Sowing | August 26 | Aug 26 – Sep 9 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | — |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–150 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7b
📆 Growing Season
206 days in Nantucket County
Growing Tips for Nantucket County
Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Leeks in Other Locations
Frequently Asked Questions
When should I plant Leeks in Nantucket County, MA?
Nantucket County is in Zone 7b with an average last frost of April 12. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Nantucket County, MA?
Nantucket County, Massachusetts is in USDA Hardiness Zone 7b. The average last spring frost is April 12 and first fall frost is November 4.
When should I plant Leeks in Nantucket County, MA?
In Nantucket County, MA, plant Leeks after the last frost (around April 12) and before the first frost (around November 4). Best results when soil holds above 50°F.
What growing zone is Nantucket County, MA for Leeks?
Nantucket County sits in USDA Zone 7b. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.
Can Leeks grow in Nantucket County's climate?
Yes — Leeks grows well in Nantucket County's temperate climate. Nantucket County averages a 206-day frost-free season, with last frost around April 12 and first frost around November 4.
Your Nantucket County Garden Planner — Free
A 22-page printable planner built for Nantucket County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.