Blue Porterweed (Stachytarpheta Cayennensis)

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ClaytonDT Waco, TX(Zone 8b) Aug 30, 2003

I have a couple of Blue Porterweed (Stachytarpheta cayennensis) in my flower bed. Which way is easier to propagate by seeds or is the seeds sterile which I was told they probably are, or buy cuttings and how and where to cut.

Post #632514
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Calalily Deep South Coastal, TX(Zone 10a) Aug 30, 2003

I've had the blue porterweed reseed in the garden, so some of the seeds are good. I've rooted tip cuttings, not too tender and without a flower if you can find one. I used vermiculite to root them in and used a liquid rooting hormone.

Post #632542
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ClaytonDT Waco, TX(Zone 8b) Aug 30, 2003

Thanks Calalily, I will try some tip cutting. I like the plants they are so green and the blue flowers just pop out at you against the rest of the plant.

Post #632544
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Calalily Deep South Coastal, TX(Zone 10a) Aug 31, 2003

Have you seen the dwarf red one? I had one last year, but didn't bring it in before frost and it didn't like the frost one little bit and died.

Post #633705
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