PENISETUM setaceum Rubrum.

Discussion in 'Poaceae' started by jumbojimmy, Jan 2, 2007.

  1. jumbojimmy

    jumbojimmy Active Member

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    hi, just wondering is this plant/grass annual or perennial? I'm confused because from what i gathered in the net, it says that it's an annual, while the nursey guy said that it's perennial. Hopefully it's perennial because it cost me 4x $9AUD...it would make a striking feature near my driveway and in a black pot.
    If this is annual, how do i collect seeds from this grass and how can i tell it from "seed" and dead material?

    ur help is appreciated.
    In case u don't know what this grass is:
    http://www.em.ca/garden/gra_pennisetum_setaceum_rubrum1.html

    Btw, i just planted 2 of this grass in a pot, leaving 10cm apart...will this form of planting going to "kill" this grass?
     
    Last edited: Jan 2, 2007
  2. bcgift52

    bcgift52 Active Member

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  3. JPierre

    JPierre Active Member 10 Years

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    It's a hardy grass that you must keep inside during winter. You will not get seeds from the plant. The only one method of propagation is dividing. I tried also to do cuttings in water during summer. One plant got roots but when repotting died...
     
  4. Weekend Gardener

    Weekend Gardener Active Member 10 Years

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    What's you climate like? If it's mild enough, it might make it through the winter like a perennial grass.

    It is hardy to USDA Zone 9, which means it likely can survive slightly below freezing temperatures if planted in the ground. Don't take my word for it - it's too cold where I am. I grow it as an annual container plant. I did try to overwinter it a couple times. In spite of above freezing tempertures, none made it through the winter. In retrospect, I might over watered them.
     
  5. Ron B

    Ron B Paragon of Plants 10 Years

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    I'd call it a tender perennial.
     
  6. JPierre

    JPierre Active Member 10 Years

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    It's all right RON !!
     

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