When to Plant Gypsophila in Zone 1b

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Zone 1b can be read to determine when it's a good idea to plant gypsophila.


Planting Calendar for Gypsophila

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

Since gypsophila are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

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 Zone 1b is May. However, you really should wait until June if you don't want to take any chances.

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

Last Frost Date

The average date of last frost is June 15 in Zone 1b. You should expect an average low temperature of -55°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 1b is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 1b you get a frost after June 15 so make sure that you are ready to protect your gypsophila if you have a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.