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

By referring to the USDA zone info for Saco it's a good idea to figure out when you can plant iberis.

Planting Calendar for Iberis

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

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

The earliest that you can plant iberis in Saco 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 iberis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your iberis may not have a chance to grow to maturity. Starting your iberis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Saco is just an average and the actual date of last frost is different every year. Half of the time in Saco you get a frost after April 15 so make sure that you are prepared to protect your iberis if you have a late frost.

USDA Zone Info for Saco

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 Saco

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