When to Plant Rhubarb in Walkersville, MD

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.

It's possible to estimate when to plant rhubarb by using the USDA zone info for Walkersville.


Planting Calendar for Rhubarb

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

Rhubarb are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant rhubarb
Possibly ok, but a risky time to plant rhubarb
Probably not a good time to plant rhubarb

The earliest that you can plant rhubarb in Walkersville 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. Any later than that and your rhubarb may not have a chance to grow to maturity. You can get started a little bit earlier by starting your rhubarb indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Walkersville. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Walkersville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Walkersville you get surprised by a frost after April 15 so make sure that you are prepared to protect your rhubarb in the event of a surprise late frost.

USDA Zone Info for Walkersville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Walkersville

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