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

You can figure out when to plant lunaria in Highland Park by reviewing the USDA zone info.

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 little bit earlier in the year than other frost tender plants.

The earliest that you can plant lunaria in Highland 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. Any later than that and your lunaria may not have a chance to fully mature. If you are starting your lunaria indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Highland Park the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Highland Park may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Highland Park there is a last frost after April 15 so always be ready to cover your lunaria in the event of a surprise late frost.

USDA Zone Info for Highland 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 Highland Park

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