When to Plant Garlic in Newport County, RI
Garlic is a pungent allium planted in fall and harvested the following summer. Hardneck varieties produce edible flower stalks (scapes) and are more cold-hardy.
Newport County, Rhode Island is in USDA Zone 7a. The average last spring frost is April 30 and the first fall frost is October 13, giving you a growing season of approximately 166 days.
At an elevation of 441 feet, Newport County receives approximately 41.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94°F, providing good warmth for Garlic during the growing season.
Newport County Soil Profile
Soil Type
Silt Loam
Soil pH
4.8-6.7
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
Garlic Planting Timeline — Newport County, RI
Garlic Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Fall Sowing | September 1 | Sep 1 – Sep 15 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
90–240 days
Soil pH
6 – 7.5
USDA Zone
Zone 7a
Growing Season
166 days
Growing Tips for Newport County
Plant individual cloves pointed end up in fall, 6 weeks before ground freezes. Mulch heavily with straw. Harvest when lower leaves begin to brown but 5-6 green leaves remain.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Garlic in Other Locations
Frequently Asked Questions
When should I plant Garlic in Newport County, RI?
Newport County is in Zone 7a with an average last frost of April 30. Plan your Garlic planting based on this frost date — see the calendar above for exact timing.
What planting zone is Newport County, RI?
Newport County, Rhode Island is in USDA Hardiness Zone 7a. The average last spring frost is April 30 and first fall frost is October 13.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Newport County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.