One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

A way of estimating when it's the best time to plant baby's breath is to refer to the USDA zone info for Harrisburg.

Planting Calendar for Baby's Breath

Frost tolerance for baby's breath:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Baby's Breath are moderately cold tolerant which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant baby's breath in Harrisburg 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 baby's breath and expect a good harvest is probably September. You probably don't want to wait any later than that or else your baby's breath may not have a chance to really do well. Starting your baby's breath indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Harrisburg. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Harrisburg may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Harrisburg there is a last frost after April 15 so always be ready to protect your baby's breath in the event of a surprise late frost.

USDA Zone Info for Harrisburg

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harrisburg

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