The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Collingswood you can determine when to plant rudbeckia by referring to 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.

Rudbeckia do well in moderate cold which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant rudbeckia in Collingswood 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. You probably don't want to wait any later than that or else your rudbeckia may not have a chance to really do well. Starting your rudbeckia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Collingswood. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Collingswood is just an average and the actual date of last frost will vary from year to year. Half of the time in Collingswood it frosts late in the year after April 15 so always be ready to cover your rudbeckia if you have a late frost.

USDA Zone Info for Collingswood

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 Collingswood

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