The USDA Zone info is a great tool for gardeners to help us estimate 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.

The USDA zone info for Penn Yan should be looked at to figure out when it's possible to plant erysimum.

Planting Calendar for Erysimum

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

Erysimum tend to make it in a little bit of cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant erysimum in Penn Yan 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. You can get started a little bit earlier by starting your erysimum indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Penn Yan. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Penn Yan is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Penn Yan you get surprised by a frost after April 15 be ready to protect your erysimum if you have a surprise late frost.

USDA Zone Info for Penn Yan

Here is the info for USDA Zone 6a.

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

Plants to Grow in Penn Yan

You may be interested in your other planting guides for Penn Yan.