When to Plant Maltese Cross in Mount Vernon, WA

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 it's a good idea to plant maltese cross in Mount Vernon by referring to the USDA zone info.


Planting Calendar for Maltese Cross

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

Maltese Cross are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

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

The earliest that you can plant maltese cross in Mount Vernon 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 maltese cross and expect a good harvest is probably September. If you wait any later than that and your maltese cross may not have a chance to fully mature. You can get started a few weeks earlier by starting your maltese cross indoors.

Last Frost Date

In Mount Vernon the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Mount Vernon may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Mount Vernon last frost occurs after March 15 be ready to cover your maltese cross in the event of a late frost.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°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 15°F.

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.