One of the first steps you take when you are determining 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 Arlington you can figure out when to plant tagetes by referring to the USDA zone info.

Planting Calendar for Tagetes

Frost tolerance for tagetes:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since tagetes require warm weather 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 tagetes in Arlington 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 tagetes and expect a good harvest is probably August. Any later than that and your tagetes may not have a chance to fully mature. If you are starting your tagetes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Arlington. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Arlington is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Arlington you get a frost after April 15 so always be ready to cover your tagetes if you have a surprise late frost.

USDA Zone Info for Arlington

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 Arlington

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