One of the first steps you take when you are determining 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.

It's possible to figure out when it's possible to plant mecardonia by referring to the USDA zone info for Siloam Springs.

Planting Calendar for Mecardonia

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

Since mecardonia require warm weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mecardonia in Siloam Springs 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 fully mature. Starting your mecardonia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Siloam Springs. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Siloam Springs 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 Siloam Springs there is a last frost after April 15 be ready to cover your mecardonia if you have a late frost.

USDA Zone Info for Siloam Springs

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 Siloam Springs

You may be interested in your other planting guides for Siloam Springs.