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.

In Greenbelt you can estimate when to plant monkey flower by referring to the USDA zone info.

Planting Calendar for Monkey Flower

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

Since monkey flower are not cold tolerant you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant monkey flower in Greenbelt 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 monkey flower and expect a good harvest is probably August. If you wait any later than that and your monkey flower may not have a chance to really do well. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Greenbelt. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Greenbelt may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Greenbelt it frosts late in the year after April 15 so be sure to be ready to protect your monkey flower in the event of a surprise late frost.

USDA Zone Info for Greenbelt

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Greenbelt

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