One of the first steps you take when you are estimating 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 estimate when you can plant tagetes by looking at the USDA zone info for Lone Tree.

Planting Calendar for Tagetes

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

You really shouldn't plant tagetes until after the last frost has passed because they require warm weather.

The earliest that you can plant tagetes in Lone Tree 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 tagetes and expect a good harvest is probably August. Any later than that and your tagetes may not have a chance to fully mature. Starting your tagetes indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Lone Tree the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Lone Tree is an average the actual date of last frost is different every year. Half of the time in Lone Tree there is a last frost after April 15 so just be sure to be ready to protect your tagetes if you have a surprise late frost.

USDA Zone Info for Lone Tree

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Lone Tree

You may be interested in your other planting guides for Lone Tree.