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 Marshall you can determine when it's a good idea to plant achimenes by using the USDA zone info.

Planting Calendar for Achimenes

Frost tolerance for achimenes:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since achimenes require warm weather you have to wait until after the last frost before you can plant them.

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

Last Frost Date

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

Since the USDA zone info for Marshall is not always accurate the actual date of last frost is different every year. Half of the time in Marshall there is a last frost after March 15 so be sure to be ready to cover your achimenes in the event of a late frost.

USDA Zone Info for Marshall

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 Marshall

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