Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant lunaria in Holyoke should be determined by using 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 do ok in mild cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lunaria in Holyoke 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. You probably don't want to wait any later than that or else your lunaria may not have a chance to really do well. Starting your lunaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Holyoke the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Holyoke is just an average the actual date of last frost is different every year. Since half of the time in Holyoke it frosts late in the year after April 15 be ready to cover your lunaria if you have a surprise late frost.

USDA Zone Info for Holyoke

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Holyoke

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