When to Plant Torenia in Zone 8b

One of the first steps you take when you are figuring out 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 best time to plant torenia in Zone 8b can be figured out by using the USDA zone info.

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Planting Calendar for Torenia

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

You can not plant torenia until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant torenia in Zone 8b 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 torenia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your torenia may not have a chance to really do well. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Zone 8b. You can expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 8b and it will vary from year to year. Since half of the time in Zone 8b you get a frost after March 15 be ready to protect your torenia if you have a late frost.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Zone 8b

You may be interested in your other planting guides for Zone 8b.