When to Plant Streptocarpella in Zone 6a

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Zone 6a should be used to estimate when it's possible to plant streptocarpella.

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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 do not do well in cold weather it is necessary to wait until after the last 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 Zone 6a 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. Any later than that and your streptocarpella may not have a chance to fully mature. If you are starting your streptocarpella indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 6a the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Zone 6a is an average the actual date of last frost changes from year to year. Half of the time in Zone 6a there is a last frost after April 15 so make sure that you are prepared to cover your streptocarpella if you have one of those late frosts.

USDA Zone Info for Zone 6a

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 Zone 6a

You may be interested in your other planting guides for Zone 6a.