The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's the best time to plant maltese cross by checking out the USDA zone info for Oregon.

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 do well in moderate cold which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant maltese cross in Oregon 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. You probably don't want to wait any later than that or else your maltese cross may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your maltese cross indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Oregon. You should expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Oregon is an average and the actual date of last frost changes from year to year. Since half of the time in Oregon last frost occurs after April 15 be ready to cover your maltese cross if you have a surprise late frost.

USDA Zone Info for Oregon

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Oregon

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