The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when to plant squash is to use the USDA zone info for Roselle.

Planting Calendar for Squash

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

Since squash require warm 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 Roselle 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. If you wait any later than that and your squash may not have a chance to fully mature. You can get started a few weeks earlier by starting your squash indoors.

Last Frost Date

On average the last frost is on April 15 in Roselle. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Roselle is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Roselle last frost occurs after April 15 be ready to cover your squash in the event of a late frost.

USDA Zone Info for Roselle

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 Roselle

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