When to Plant Lunaria in Airway Heights, WA

Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Airway Heights you can estimate when you can plant lunaria by referring to 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.

You can plant lunaria just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lunaria
Possibly ok, but a risky time to plant lunaria
Probably not a good time to plant lunaria

The earliest that you can plant lunaria in Airway Heights 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 really do well. If you are starting your lunaria indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Airway Heights. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Airway Heights is just an average the actual date of last frost changes from year to year. Since half of the time in Airway Heights it frosts late in the year after April 15 be ready to protect your lunaria in the event of a late frost.

USDA Zone Info for Airway Heights

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 Airway Heights

You may be interested in your other planting guides for Airway Heights.