How Far Apart to Plant? Pinching?

ashley05(MI 6a)May 10, 2013

I have started several hardy hibiscus from seed. They're flourishing and will go into the ground in a few weeks hopefully. I've never had hibiscus before, so I have a couple of questions.

When I plant them, how far apart do they go? Most online sources say 2'-3'. Does that sound about right?

I've read I'm supposed to pinch them to make them bushier. When do I do that? How do I do that? Is this something I'll have to do every year when they start in the spring?

Thank you all for the help!

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tapla (mid-MI z5b-6a)

2-3 ft sounds good, and even at 3 ft you'll get some overlap of the stems once the clump gets mature & starts to spread.

Let your stems get to about 12-15" tall, then cut them back by half or more. I usually use a bypass pruner to snip just above the second or third healthy leaf (from the soil line). You can even pinch the new stems a second time later if you wish. Pinching increases the number of secondary stems (and tertiary stems if you pinch twice), as well as the number of blooms. It also increases the strength of the stems and makes them more resistant to the combination of wind/rain that tends to force unpinched plants to lay over.


    Bookmark   May 12, 2013 at 12:13PM
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ashley05(MI 6a)

Thanks, Al. That really helped!

    Bookmark   May 12, 2013 at 5:28PM
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