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.

A common way of estimating when you can plant baby's breath is to use the USDA zone info for Waterloo.

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 tend to make it in mild cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant baby's breath in Waterloo 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. Any later than that and your baby's breath may not have a chance to really do well. You can get started a little bit earlier by starting your baby's breath indoors.

Last Frost Date

On average the last frost is on April 15 in Waterloo. In the coldest months of winter you should expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Waterloo may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Waterloo you get surprised by a frost after April 15 be ready to protect your baby's breath in the event of one of those late frosts.

USDA Zone Info for Waterloo

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 Waterloo

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