One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

A way of getting a good idea when to plant coral bells is to check out the USDA zone info for Hamilton.

Planting Calendar for Coral Bells

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

Since coral bells are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant coral bells in Hamilton 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 coral bells and expect a good harvest is probably September. Any later than that and your coral bells may not have a chance to grow to maturity. You can get started a little bit earlier by starting your coral bells indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hamilton. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Hamilton is an average and the actual date of last frost changes from year to year. Since half of the time in Hamilton you get surprised by a frost after April 15 be ready to protect your coral bells if you have a late frost.

USDA Zone Info for Hamilton

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 Hamilton

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