Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant helianthemum in Saratoga Springs can be figured out by reviewing the USDA zone info.

Planting Calendar for Helianthemum

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

Since helianthemum 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 helianthemum in Saratoga Springs 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 helianthemum and expect a good harvest is probably September. If you wait any later than that and your helianthemum may not have a chance to fully mature. If you are starting your helianthemum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Saratoga Springs. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Saratoga Springs is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Saratoga Springs you get a frost after April 15 so just be sure to be ready to protect your helianthemum in the event of a surprise late frost.

USDA Zone Info for Saratoga Springs

Here is the info for USDA Zone 6b.

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

Plants to Grow in Saratoga Springs

You may be interested in your other planting guides for Saratoga Springs.