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.

One way of figuring out when it's a good idea to plant dichondra is to check out the USDA zone info for Portland.

Planting Calendar for Dichondra

Frost tolerance for dichondra:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Dichondra tend to make it in mild cold which means that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant dichondra in Portland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dichondra and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dichondra may not have a chance to fully mature. You can get started a little bit earlier by starting your dichondra indoors.

Last Frost Date

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

Since the USDA zone info for Portland is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Portland last frost occurs after April 15 be ready to protect your dichondra if you have a late frost.

USDA Zone Info for Portland

Here is the info for USDA Zone 5b.

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

Plants to Grow in Portland

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