When to Plant Gypsophila in Hillsboro, OR

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant gypsophila in Hillsboro should be estimated by checking out the USDA zone info.


Planting Calendar for Gypsophila

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

You can plant gypsophila a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant gypsophila in Hillsboro 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 gypsophila and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gypsophila may not have a chance to fully mature. If you are starting your gypsophila indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Hillsboro. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Hillsboro may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Hillsboro it frosts late in the year after March 15 be ready to protect your gypsophila if you have one of those late frosts.

USDA Zone Info for Hillsboro

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 Hillsboro

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