When to Plant Garlic in Johnstown, PA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Johnstown it's a good idea to determine when to plant garlic.


Planting Calendar for Garlic

Frost tolerance for garlic: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Garlic tend to make it in quite a bit of cold which means that you can plant them much earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant garlic
Possibly ok, but a risky time to plant garlic
Probably not a good time to plant garlic

The earliest that you can plant garlic in Johnstown is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garlic and expect a good harvest is probably September. Any later than that and your garlic may not have a chance to grow to maturity. You can get started a little bit earlier by starting your garlic indoors.

Last Frost Date

In Johnstown the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Johnstown is an average the actual date of last frost will vary from year to year. Since half of the time in Johnstown there is a last frost after April 15 be ready to protect your garlic in the event of a surprise late frost.

USDA Zone Info for Johnstown

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Johnstown

You may be interested in your other planting guides for Johnstown.