When to Plant Gypsophila in Ottawa, IL

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 Ottawa should be looked at to determine when you can plant gypsophila.

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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 are one of those plants that can tolerate a little bit of cold weather.

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 Ottawa 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. If you wait any later than that and your gypsophila may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gypsophila indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ottawa. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Ottawa 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 Ottawa there is a last frost after April 15 be ready to protect your gypsophila in the event of a surprise late frost.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Ottawa

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