When to Plant Nemesia in Yorkville, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant nemesia in Yorkville should be estimated by reviewing the USDA zone info.

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Planting Calendar for Nemesia

Frost tolerance for nemesia: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Nemesia do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant nemesia in Yorkville 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 nemesia and expect a good harvest is probably August. Any later than that and your nemesia may not have a chance to really do well. If you are starting your nemesia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Yorkville. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Yorkville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Yorkville you get surprised by a frost after April 15 so be sure to be ready to cover your nemesia if you have a late frost.

USDA Zone Info for Yorkville

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 Yorkville

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