One of the first steps you take when you are making a decision about 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 Lansdale should be reviewed to determine when it's a good idea to plant rhubarb.

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 are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant rhubarb in Lansdale 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 fully mature. Starting your rhubarb indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Lansdale the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Lansdale may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Lansdale 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 Lansdale

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 Low	0°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 Lansdale

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