One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant hollyhocks is to examine the USDA zone info for Seymour.

Planting Calendar for Hollyhocks

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

Hollyhocks tend to make it in mild cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant hollyhocks in Seymour 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 hollyhocks and expect a good harvest is probably September. Any later than that and your hollyhocks may not have a chance to grow to maturity. Starting your hollyhocks indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Seymour. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Seymour may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Seymour last frost occurs after April 15 so make sure that you are ready to protect your hollyhocks if you have a late frost.

USDA Zone Info for Seymour

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Seymour

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