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

In Twin Lakes you can figure out when it's the best time to plant hollyhocks by using the USDA zone info.

Planting Calendar for Hollyhocks

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

Hollyhocks do well in moderate cold which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant hollyhocks in Twin Lakes 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. You probably don't want to wait any later than that or else your hollyhocks may not have a chance to fully mature. Starting your hollyhocks indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Twin Lakes. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Twin Lakes is just an average and the actual date of last frost changes from year to year. Half of the time in Twin Lakes it frosts late in the year after April 15 so make sure that you are prepared to protect your hollyhocks in the event of a surprise late frost.

USDA Zone Info for Twin Lakes

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 Twin Lakes

You may be interested in your other planting guides for Twin Lakes.