When to Plant Evolvulus in Genoa, 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.

The first chance to plant evolvulus in Genoa should be figured out by reviewing the USDA zone info.

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Planting Calendar for Evolvulus

Frost tolerance for evolvulus: Not tolerant of frost.
When to plant: After the last frost has passed.

Evolvulus are not cold tolerant which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant evolvulus in Genoa 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 evolvulus and expect a good harvest is probably August. Any later than that and your evolvulus may not have a chance to grow to maturity. Starting your evolvulus indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Genoa the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Genoa is just an average the actual date of last frost is different every year. Half of the time in Genoa there is a last frost after April 15 so just be sure to be ready to cover your evolvulus if you have a late frost.

USDA Zone Info for Genoa

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 Genoa

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