One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant rudbeckia in Kingston can be determined by using the USDA zone info.

Planting Calendar for Rudbeckia

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

Since rudbeckia are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rudbeckia in Kingston 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 rudbeckia and expect a good harvest is probably September. If you wait any later than that and your rudbeckia may not have a chance to really do well. You can get started a few weeks earlier by starting your rudbeckia indoors.

Last Frost Date

On average the last frost is on April 15 in Kingston. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Kingston may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Kingston there is a last frost after April 15 so make sure that you are prepared to protect your rudbeckia in the event of a surprise late frost.

USDA Zone Info for Kingston

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Kingston

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