The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant garden orache in Downingtown can be figured out by checking out the USDA zone info.

Planting Calendar for Garden Orache

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

Since garden orache do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant garden orache in Downingtown 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 garden orache and expect a good harvest is probably September. If you wait any later than that and your garden orache may not have a chance to grow to maturity. Starting your garden orache indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Downingtown. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Downingtown is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Downingtown you get surprised by a frost after April 15 be ready to cover your garden orache if you have one of those late frosts.

USDA Zone Info for Downingtown

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 Downingtown

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