One of the first steps you take when you are determining 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.

It's possible to estimate when it's a good idea to plant tithonia by reviewing the USDA zone info for Avon Lake.

Planting Calendar for Tithonia

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

Tithonia are not cold tolerant which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant tithonia in Avon Lake 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 tithonia and expect a good harvest is probably August. Any later than that and your tithonia may not have a chance to fully mature. You can get started a little bit earlier by starting your tithonia indoors.

Last Frost Date

On average the last frost is on April 15 in Avon Lake. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Avon Lake may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Avon Lake last frost occurs after April 15 so make sure that you are prepared to cover your tithonia in the event of one of those late frosts.

USDA Zone Info for Avon Lake

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Avon Lake

You may be interested in your other planting guides for Avon Lake.