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.

You will be able to determine when it's possible to plant tithonia by referring to the USDA zone info for Norwood.

Planting Calendar for Tithonia

Frost tolerance for tithonia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since tithonia are not cold tolerant it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tithonia in Norwood 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. You probably don't want to wait any later than that or else your tithonia may not have a chance to fully mature. Starting your tithonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Norwood. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Norwood and it will vary from year to year. Half of the time in Norwood you get a frost after April 15 so be sure to be ready to protect your tithonia if you have one of those late frosts.

USDA Zone Info for Norwood

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Norwood

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