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When to Plant Hypericum in Morton Grove, IL

One of the first steps you take when you are getting a good idea 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 figure out when it's possible to plant hypericum in Morton Grove by reviewing the USDA zone info.


Planting Calendar for Hypericum

Frost tolerance for hypericum: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Hypericum are barely cold tolerant which means that you can plant them slightly earlier than other plants that might not handle the cold.

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

The earliest that you can plant hypericum in Morton Grove is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hypericum and expect a good harvest is probably August. If you wait any later than that and your hypericum may not have a chance to grow to maturity. If you are starting your hypericum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Morton Grove. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember 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 Morton Grove and it is different every year. Half of the time in Morton Grove you get a frost after April 15 so be sure to be ready to cover your hypericum if you have a surprise late frost.

USDA Zone Info for Morton Grove

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 Morton Grove

You may be interested in your other planting guides for Morton Grove.