Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant gypsophila in Duluth can be determined by checking out the USDA zone info.

Planting Calendar for Gypsophila

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

Since gypsophila do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant gypsophila in Duluth 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 little bit earlier by starting your gypsophila indoors.

Last Frost Date

On average the last frost is on April 15 in Duluth. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Duluth may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Duluth you get surprised by a frost after April 15 be ready to cover your gypsophila if you have one of those late frosts.

USDA Zone Info for Duluth

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Duluth

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