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

The first opportunity to plant geum in Lancaster can be determined by checking out the USDA zone info.

Planting Calendar for Geum

Frost tolerance for geum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since geum are one of those plants that can tolerate a tiny bit of cold weather you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The last month that you can plant geum and expect a good harvest is probably August. If you wait any later than that and your geum may not have a chance to grow to maturity. If you are starting your geum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Lancaster the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Lancaster may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Lancaster there is a last frost after March 15 be ready to cover your geum if you have a late frost.

USDA Zone Info for Lancaster

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Lancaster

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