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

You will be able to determine when it's a good idea to plant coral bells by referring to the USDA zone info for Golden.

Planting Calendar for Coral Bells

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

You can plant coral bells a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant coral bells in Golden 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 couple of weeks earlier by starting your coral bells indoors.

Last Frost Date

The average date of last frost is April 15 in Golden. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Golden is an average the actual date of last frost will vary from year to year. Since half of the time in Golden you get surprised by a frost after April 15 be ready to protect your coral bells in the event of a surprise late frost.

USDA Zone Info for Golden

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 Golden

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