When to Plant Romanesco in Omak, WA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant romanesco in Omak can be figured out by using the USDA zone info.


Planting Calendar for Romanesco

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

Since romanesco do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

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

The earliest that you can plant romanesco in Omak 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 romanesco and expect a good harvest is probably September. You probably don't want to wait any later than that or else your romanesco may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your romanesco indoors.

Last Frost Date

In Omak the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Omak may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Omak there is a last frost after April 15 so always be ready to cover your romanesco if you have a late frost.

USDA Zone Info for Omak

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Omak

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