One of the best tools that you have as gardeners to help us determine 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 determining when to plant twinspur is to examine the USDA zone info for Elmwood Park.

Planting Calendar for Twinspur

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

Since twinspur are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant twinspur in Elmwood Park 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 twinspur and expect a good harvest is probably September. Any later than that and your twinspur may not have a chance to fully mature. If you are starting your twinspur indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Elmwood Park. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Elmwood Park is an average the actual date of last frost changes from year to year. Since half of the time in Elmwood Park it frosts late in the year after April 15 be ready to protect your twinspur if you have a surprise late frost.

USDA Zone Info for Elmwood Park

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 Elmwood Park

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