When to Plant Monkey Flower in Zion, IL

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant monkey flower is to look at the USDA zone info for Zion.


Planting Calendar for Monkey Flower

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

It's probably not a good idea to plant monkey flower until after the last frost has passed because they require warm 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 Zion 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. Any later than that and your monkey flower may not have a chance to grow to maturity. Starting your monkey flower 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 Zion. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Zion may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Zion you get surprised by a frost after April 15 be ready to cover your monkey flower if you have one of those late frosts.

USDA Zone Info for Zion

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 Zion

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