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Bittercress (Cardamine hirsuta)


Bittercress (Cardamine hirsuta) normally develop a rosette initially, from which additional stem and flower tissue develop.

Bittercress (Cardamine hirsuta)


Bittercress (Cardamine hirsuta)



Bittercress (Cardamine hirsuta)

A single bittercress plant will generally form a small clump 4 to 8 inches tall and wide.  However, it is common for many bittercress seed to germinate in a small area.  I've seen many containers and gravel yards with so many bittercress seedlings germinating close together that it looked like a lawn.  When many bittercress grow in a small area, it can appear as a thick mat of foliage and seed-pods.

 
Bittercress (Cardamine hirsuta)

Bittercress is problematic in propagation, and as seen in this photo, many will germinate at the same time creating a dense mat.



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