One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant maltese cross is to examine the USDA zone info for Corvallis.

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 moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant maltese cross in Corvallis 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. Any later than that and your maltese cross may not have a chance to really do well. You can get started a couple of weeks earlier by starting your maltese cross indoors.

Last Frost Date

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

Since the USDA zone info for Corvallis is just an average the actual date of last frost is different every year. Half of the time in Corvallis it frosts late in the year after March 15 so just be sure to be ready to protect your maltese cross in the event of one of those late frosts.

USDA Zone Info for Corvallis

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Corvallis

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