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

The earliest that you can plant squash in Hayden can be estimated by reviewing the USDA zone info.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After the last frost.

Since squash do not do well in cold weather it is important to wait until after the last frost has passed before you can plant them.

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

Last Frost Date

In Hayden the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Hayden is just an average the actual date of last frost changes from year to year. Half of the time in Hayden you get a frost after April 15 so just be sure to be ready to protect your squash in the event of a surprise late frost.

USDA Zone Info for Hayden

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 Low	0°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 Hayden

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