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.

The earliest that you can plant erysimum in Franklin can be figured out by referring to the USDA zone info.

Planting Calendar for Erysimum

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

Since erysimum are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant erysimum in Franklin 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 erysimum and expect a good harvest is probably September. If you wait any later than that and your erysimum may not have a chance to really do well. Starting your erysimum 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 Franklin. It might get as low as 5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Franklin is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Franklin it frosts late in the year after April 15 be ready to cover your erysimum in the event of one of those late frosts.

USDA Zone Info for Franklin

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Franklin

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