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.

One way of making a decision about when it's possible to plant impatiens is to examine the USDA zone info for Fremont.

Planting Calendar for Impatiens

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

Since impatiens are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant impatiens in Fremont 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. If you are starting your impatiens 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 Fremont. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Fremont may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Fremont last frost occurs after April 15 be ready to protect your impatiens if you have a surprise late frost.

USDA Zone Info for Fremont

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 Fremont

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