One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Stanwood it's a good idea to determine when it's a good idea to plant hollyhocks.

Planting Calendar for Hollyhocks

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

You can plant hollyhocks a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant hollyhocks in Stanwood 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. If you wait any later than that and your hollyhocks may not have a chance to really do well. 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 March 15 in Stanwood. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Stanwood may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Stanwood last frost occurs after March 15 be ready to cover your hollyhocks in the event of one of those late frosts.

USDA Zone Info for Stanwood

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Stanwood

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