Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Bethel Park it's a good idea to estimate when it's possible to plant lunaria.

Planting Calendar for Lunaria

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

Lunaria tend to make it in moderate cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lunaria in Bethel Park 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 lunaria and expect a good harvest is probably September. If you wait any later than that and your lunaria may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lunaria indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Bethel Park. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Bethel Park is just an average the actual date of last frost will vary from year to year. Since half of the time in Bethel Park you get surprised by a frost after April 15 be ready to protect your lunaria if you have a late frost.

USDA Zone Info for Bethel Park

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 Bethel Park

You may be interested in your other planting guides for Bethel Park.