Before planting it is a good idea to find your USDA Zone info to determine your garden 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 determining when you can plant hibiscus is to refer to the USDA zone info for Penn Yan.

Planting Calendar for Hibiscus

Frost tolerance for hibiscus:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant hibiscus until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant hibiscus in Penn Yan 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 hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hibiscus may not have a chance to fully mature. Starting your hibiscus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Penn Yan. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Penn Yan may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Penn Yan you get a frost after April 15 so make sure that you are prepared to protect your hibiscus 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.