The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Thatcher you can determine when it's the best time to plant marigold by referring to the USDA zone info.

Planting Calendar for Marigold

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

Since marigold require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant marigold in Thatcher 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 marigold and expect a good harvest is probably August. If you wait any later than that and your marigold may not have a chance to grow to maturity. Starting your marigold indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Thatcher. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Thatcher is not always accurate and the actual date of last frost is different every year. Half of the time in Thatcher you get surprised by a frost after March 15 so be sure to be ready to protect your marigold if you have one of those late frosts.

USDA Zone Info for Thatcher

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Thatcher

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