One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Gilberts can be read to estimate when it's possible to plant impatiens.

Planting Calendar for Impatiens

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

Impatiens do not do well in cold weather which tells us that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant impatiens in Gilberts 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 impatiens and expect a good harvest is probably August. Any later than that and your impatiens may not have a chance to fully mature. Starting your impatiens indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Gilberts. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Gilberts is not always accurate the actual date of last frost will vary from year to year. Half of the time in Gilberts you get surprised by a frost after April 15 so make sure that you are prepared to cover your impatiens if you have a surprise late frost.

USDA Zone Info for Gilberts

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 Gilberts

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