One of the best tools that you have as gardeners to help us figure out 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.

In Gladstone you can determine when it's the best time to plant fanflower by checking out the USDA zone info.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Fanflower are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant fanflower in Gladstone is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant fanflower and expect a good harvest is probably August. Any later than that and your fanflower may not have a chance to grow to maturity. You can get started a little bit earlier by starting your fanflower indoors.

Last Frost Date

The average date of last frost is March 15 in Gladstone. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Gladstone is an average and the actual date of last frost will vary from year to year. Since half of the time in Gladstone last frost occurs after March 15 be ready to cover your fanflower if you have a late frost.

USDA Zone Info for Gladstone

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 Gladstone

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