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

The best time to plant helianthemum in Brush can be figured out by using 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.

Helianthemum do well in a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant helianthemum in Brush 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. Any later than that and your helianthemum may not have a chance to really do well. You can get started a few weeks earlier by starting your helianthemum indoors.

Last Frost Date

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

Remember that USDA zone info for Brush may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Brush there is a last frost after April 15 so always be ready to cover your helianthemum if you have one of those late frosts.

USDA Zone Info for Brush

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 Brush

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