When to Plant Stocks in Hamilton, MT

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant stocks in Hamilton by checking out the USDA zone info.


Planting Calendar for Stocks

Frost tolerance for stocks: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since stocks are barely cold tolerant you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

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

The last month that you can plant stocks and expect a good harvest is probably August. If you wait any later than that and your stocks may not have a chance to fully mature. If you are starting your stocks indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Hamilton the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Hamilton is an average the actual date of last frost is different every year. Half of the time in Hamilton you get a frost after April 15 so always be ready to protect your stocks if you have a surprise late frost.

USDA Zone Info for Hamilton

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Hamilton

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