One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Park Ridge should be reffered to in order to estimate when it's a good idea to plant forget-me-not.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since forget-me-not do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant forget-me-not in Park Ridge 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 forget-me-not and expect a good harvest is probably September. If you wait any later than that and your forget-me-not may not have a chance to grow to maturity. Starting your forget-me-not 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 Park Ridge. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Park Ridge may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Park Ridge last frost occurs after April 15 be ready to cover your forget-me-not in the event of one of those late frosts.

USDA Zone Info for Park Ridge

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 Park Ridge

You may be interested in your other planting guides for Park Ridge.