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

In Irving you can determine when it's a good idea to plant mecardonia by looking at the USDA zone info.

Planting Calendar for Mecardonia

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

It's probably a bad idea to plant mecardonia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant mecardonia in Irving 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 mecardonia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your mecardonia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your mecardonia indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Irving may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Irving you get a frost after March 15 be ready to cover your mecardonia in the event of a late frost.

USDA Zone Info for Irving

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 Irving

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