|Do you have to dead head johnny jump-ups and how is this done?
|Answer from NGA
June 1, 2001
|Johnny jump ups are so prolific that deadheading can be a chore. Simply trim off the spent flower stems -- if you miss some the plants will set seed and self sow in the garden. I think this is why they are called that name, they tend to "jump up" in odd spots. This can be helpful because the original plants often bloom themselves into exhaustion and disappear.
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