One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's the best time to plant monkey flower is to examine the USDA zone info for Douglas.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost.

Since monkey flower are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant monkey flower in Douglas is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant monkey flower and expect a good harvest is probably August. Any later than that and your monkey flower may not have a chance to fully mature. Starting your monkey flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Douglas. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Douglas is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Douglas you get surprised by a frost after May 15 be ready to protect your monkey flower in the event of a surprise late frost.

USDA Zone Info for Douglas

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Douglas

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