The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant bittercress is to consult the USDA zone info for Magnolia.

Planting Calendar for Bittercress

Frost tolerance for bittercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant bittercress slightly earlier in the year because they do ok in moderate cold.

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

The last month that you can plant bittercress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bittercress may not have a chance to really do well. If you are starting your bittercress indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Magnolia is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Magnolia it frosts late in the year after April 15 be ready to protect your bittercress in the event of a surprise late frost.

USDA Zone Info for Magnolia

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 Magnolia

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