When to Plant Scallions in Sandy, OR

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.

The first opportunity to plant scallions in Sandy can be figured out by referring to the USDA zone info.


Planting Calendar for Scallions

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

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

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

The earliest that you can plant scallions in Sandy 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 scallions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scallions may not have a chance to really do well. Starting your scallions indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Sandy the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Sandy and it can change quite a bit from year to year. Since half of the time in Sandy there is a last frost after March 15 be ready to cover your scallions if you have one of those late frosts.

USDA Zone Info for Sandy

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 Low15°F
Highest Expected Low20°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 Sandy

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