When to Plant Sunchoke in Bathurst, NB
Sunchokes (Jerusalem artichokes) are a native sunflower relative grown for their knobby, nutty-flavored tubers. They are extremely productive and nearly impossible to eradicate.
Bathurst, New Brunswick is in USDA Zone 5a. The average last spring frost is May 3 and the first fall frost is October 10, giving you a growing season of approximately 160 days.
At an elevation of 131 feet, Bathurst receives approximately 27.6 inches of rainfall annually with predominantly gray-brown podzol soil. Summer highs average 73°F, so choose short-season varieties of Sunchoke to ensure they mature before fall.
Bathurst Soil Profile
Soil Type
Gray-Brown Podzol
Soil pH
6.0-7.0
Drainage
Well Drained
Sunchoke Planting Timeline — Bathurst, NB
Sunchoke Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 17 | May 17 – May 31 |
| Harvest | September 6 | Sep 6 – Nov 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | — |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
110–150 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
160 days in Bathurst
Growing Tips for Bathurst
Plant tubers 4 inches deep in early spring. Contain plants with barriers as they spread aggressively. Harvest after frost or leave in ground and dig as needed through winter.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Sunchoke in Other Locations
Frequently Asked Questions
When should I plant Sunchoke in Bathurst, NB?
Bathurst is in Zone 5a with an average last frost of May 3. Plan your Sunchoke planting based on this frost date — see the calendar above for exact timing.
What planting zone is Bathurst, NB?
Bathurst, New Brunswick is in USDA Hardiness Zone 5a. The average last spring frost is May 3 and first fall frost is October 10.
Your Bathurst Garden Planner — Free
A 22-page printable planner built for Bathurst (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.