One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 it's possible to plant calendula by reviewing the USDA zone info for Crowley.

Planting Calendar for Calendula

Frost tolerance for calendula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since calendula do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant calendula in Crowley is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably September. If you wait any later than that and your calendula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calendula indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Crowley. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Crowley may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Crowley you get surprised by a frost after March 15 so just be sure to be ready to cover your calendula in the event of one of those late frosts.

USDA Zone Info for Crowley

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Crowley

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