The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant tropical hibiscus in Cohoes by looking at the USDA zone info.

Planting Calendar for Tropical Hibiscus

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

You really shouldn't plant tropical hibiscus until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant tropical hibiscus in Cohoes 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 tropical hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tropical hibiscus may not have a chance to really do well. If you are starting your tropical hibiscus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Cohoes. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Cohoes is an average the actual date of last frost will vary from year to year. Since half of the time in Cohoes you get surprised by a frost after April 15 be ready to protect your tropical hibiscus if you have a late frost.

USDA Zone Info for Cohoes

Here is the info for USDA Zone 5b.

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

Plants to Grow in Cohoes

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