The USDA Zone info is a great tool for gardeners to help us figure out 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.

A way of getting a good idea when it's the best time to plant gypsophila is to use the USDA zone info for Olean.

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 little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant gypsophila in Olean 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 really do well. Starting your gypsophila indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Olean the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Olean and it will vary from year to year. Half of the time in Olean there is a last frost after April 15 so just be sure to be ready to cover your gypsophila if you have one of those late frosts.

USDA Zone Info for Olean

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Olean

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