One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's the best time to plant thunbergia by using the USDA zone info for North Tonawanda.

Planting Calendar for Thunbergia

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

You should not plant thunbergia until after the last frost because they require warm weather.

The earliest that you can plant thunbergia in North Tonawanda 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 thunbergia and expect a good harvest is probably August. Any later than that and your thunbergia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your thunbergia indoors.

Last Frost Date

On average the last frost is on April 15 in North Tonawanda. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for North Tonawanda may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in North Tonawanda you get a frost after April 15 be ready to cover your thunbergia in the event of a surprise late frost.

USDA Zone Info for North Tonawanda

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 North Tonawanda

You may be interested in your other planting guides for North Tonawanda.