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

You should be able to figure out when it's possible to plant rhubarb by looking at the USDA zone info for Purcellville.

Planting Calendar for Rhubarb

Frost tolerance for rhubarb:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant rhubarb a little earlier in the year because they do well in moderate cold.

The earliest that you can plant rhubarb in Purcellville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rhubarb and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rhubarb may not have a chance to grow to maturity. Starting your rhubarb indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Purcellville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Purcellville it frosts late in the year after April 15 be ready to protect your rhubarb if you have one of those late frosts.

USDA Zone Info for Purcellville

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 Purcellville

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