One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 marigold in Watonga can be estimated 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.

You should not plant marigold until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant marigold in Watonga 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. You can get started a little bit earlier by starting your marigold indoors.

Last Frost Date

The average date of last frost is April 15 in Watonga. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Watonga is not always accurate the actual date of last frost is different every year. Since half of the time in Watonga you get a frost after April 15 be ready to cover your marigold if you have a surprise late frost.

USDA Zone Info for Watonga

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 Watonga

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