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

The first opportunity to plant tithonia in Scottsbluff can be determined by looking at the USDA zone info.

Planting Calendar for Tithonia

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

You really shouldn't plant tithonia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant tithonia in Scottsbluff 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. If you wait any later than that and your tithonia may not have a chance to really do well. 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 Scottsbluff. You should expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Scottsbluff may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Scottsbluff there is a last frost after April 15 so just be sure to be ready to cover your tithonia if you have a surprise late frost.

USDA Zone Info for Scottsbluff

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Scottsbluff

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