yellow bloomer - Ask Extension
I'm wondering what this wild flower is, among my iris.
Pam
Knowledgebase
yellow bloomer #635952
Asked May 15, 2020, 12:11 PM EDT
I'm wondering what this wild flower is, among my iris.
Pam
Hennepin County Minnesota
Expert Response
Hi,
I think it is yellow rocket - a member of the mustard family: https://www.minnesotawildflowers.info/flower/garden-yellow-rocket
I think it is yellow rocket - a member of the mustard family: https://www.minnesotawildflowers.info/flower/garden-yellow-rocket
Is this an invasive weed?
This is from the information I sent earlier: arden Yellow Rocket is a pest plant from Eurasia that doesn't typically invade high quality habitat, but thrives in disturbed soil such as along roadsides, fields and construction sites. It can form large colonies, but scattered plants are encountered as well. It is a common sight along roadsides in spring, like the massive infestation found along a county road in Washington County (see image below). It is very similar in nearly all respects to the native American Yellow Rocket (Barbarea orthoceras); while there are small differences in flower size, leaf shape and fruit arrangement, it is most easily distinguished by at least some stem leaves having a fringe of hairs around the auricles, where Garden Yellow Rocket auricles are all hairless.