Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Waverly should be looked at to figure out when to plant twinspur.

Planting Calendar for Twinspur

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

Since twinspur do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant twinspur in Waverly 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. If you wait any later than that and your twinspur may not have a chance to really do well. You can get started a few weeks earlier by starting your twinspur indoors.

Last Frost Date

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

Since the USDA zone info for Waverly may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Waverly you get a frost after April 15 be ready to protect your twinspur in the event of one of those late frosts.

USDA Zone Info for Waverly

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 Waverly

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