One of the first steps you take when you are getting a good idea 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.

The USDA zone info for Takoma Park should be used to figure out when it's possible to plant ageratum.

Planting Calendar for Ageratum

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

Since ageratum are not cold tolerant it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant ageratum in Takoma Park 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 ageratum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your ageratum may not have a chance to grow to maturity. If you are starting your ageratum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Takoma Park. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Takoma Park is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Takoma Park last frost occurs after April 15 so make sure that you are ready to protect your ageratum if you have a surprise late frost.

USDA Zone Info for Takoma Park

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 Takoma Park

You may be interested in your other planting guides for Takoma Park.