Jewelweed there is also a rarer yellow form. Although some discount the use I find the sap is good to heal a poison ivy infection on my hubby but some people apparently have skin rashes with the sap so use caution.

The humming birds and butterflies love the plant.

Here is a link that might be useful: Jewelweed information

Yep. Jewelweed or touch-me-not. This one is Spotted Touch-me-not Impatiens capensis. The yellow species ( Impatiens pallida) is lovely too but it isn't as common.

Here's an article on touch-me-nots that I thought you might enjoy....

FataMorgana

Here is a link that might be useful: Touch-me-not article