When to Plant Romanesco in Cottage Grove, OR

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant romanesco in Cottage Grove 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.

You can plant romanesco a little earlier in the year because they are moderately cold tolerant.

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 Cottage Grove 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 grow to maturity. Starting your romanesco indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Cottage Grove is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cottage Grove you get surprised by a frost after March 15 be ready to cover your romanesco if you have one of those late frosts.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.