One of the best tools that you have as gardeners to help us estimate 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.

You will be able to estimate when it's a good idea to plant ornamental grasses by referring to the USDA zone info for Winooski.

Planting Calendar for Ornamental Grasses

Frost tolerance for ornamental grasses:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant ornamental grasses just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant ornamental grasses in Winooski is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant ornamental grasses and expect a good harvest is probably August. If you wait any later than that and your ornamental grasses may not have a chance to fully mature. You can get started a little bit earlier by starting your ornamental grasses indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Winooski. You can expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Winooski may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Winooski you get a frost after April 15 so always be ready to protect your ornamental grasses in the event of one of those late frosts.

USDA Zone Info for Winooski

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 Winooski

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