When to Plant Impatiens in Robbins, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant impatiens in Robbins should be estimated by referring to the USDA zone info.

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Planting Calendar for Impatiens

Frost tolerance for impatiens: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You can not plant impatiens until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant impatiens in Robbins 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. You probably don't want to wait any later than that or else 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Robbins. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Robbins is an average and the actual date of last frost is different every year. Half of the time in Robbins it frosts late in the year after April 15 so always be ready to protect your impatiens if you have a late frost.

USDA Zone Info for Robbins

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Robbins

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