When to Plant Tomatos in Juneau, AK

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.

A common way of getting a good idea when it's possible to plant tomatos is to use the USDA zone info for Juneau.


Planting Calendar for Tomatos

Frost tolerance for tomatos: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since tomatos require warm weather you need to wait until after the last frost before you can plant them.

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

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

The last month that you can plant tomatos and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tomatos may not have a chance to really do well. If you are starting your tomatos indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Juneau. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Juneau is just an average the actual date of last frost changes from year to year. Since half of the time in Juneau there is a last frost after April 15 be ready to protect your tomatos if you have a surprise late frost.

USDA Zone Info for Juneau

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Juneau

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