When to Plant Streptocarpella in Vandalia, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant streptocarpella in Vandalia should be estimated by checking out the USDA zone info.

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Planting Calendar for Streptocarpella

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

Since streptocarpella are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

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

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

Last Frost Date

In Vandalia the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Vandalia is not always accurate and the actual date of last frost changes from year to year. Half of the time in Vandalia it frosts late in the year after April 15 so always be ready to cover your streptocarpella if you have a late frost.

USDA Zone Info for Vandalia

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 Vandalia

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