When to Plant Monkey Flower in Belleville, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when to plant monkey flower in Belleville by reviewing the USDA zone info.


Planting Calendar for Monkey Flower

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

You should not plant monkey flower until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant monkey flower in Belleville 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 monkey flower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your monkey flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

The average date of last frost is April 15 in Belleville. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Belleville and it will vary from year to year. Half of the time in Belleville last frost occurs after April 15 so make sure that you are ready to protect your monkey flower in the event of one of those late frosts.

USDA Zone Info for Belleville

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 Low0°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 Belleville

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