Q&A for How to Take Care of Moss Roses

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  • Question
    How do I collect the seeds and when is the best time?
    Lauren Kurtz
    Professional Gardener
    Lauren Kurtz is a Naturalist and Horticultural Specialist. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014.
    Professional Gardener
    Expert Answer
    Wait until the flowers on your plant have been dry for several weeks before harvesting seeds.you can usually tell when the seeds are mature because the flowers, stems, and seeds are completely dried out.
  • Question
    How do I keep my potted moss roses from getting tall and spindly?
    Lauren Kurtz
    Professional Gardener
    Lauren Kurtz is a Naturalist and Horticultural Specialist. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014.
    Professional Gardener
    Expert Answer
    This is probably your plant stretching towards the light to tell you it isn’t getting enough sun. Move the plant to a sunnier location.
  • Question
    Can I split an existing portulaca?
    Community Answer
    Yes. You may also cut the stems and replant. They will grow roots in about a week or so.
  • Question
    Why won't my portulaca blooms stay opened in Texas?
    Community Answer
    In North Central Texas is that the blooms only last one day. It's very important to deadhead the blooms. Do so daily. It only takes less than five minutes to do three (hanging) plants.
  • Question
    Do moss roses not bloom in monsoon season and winter?
    Community Answer
    Moss roses prefer sunny and dry climates, and they can't tolerate excessive water or cold. You can always grow them indoors if weather won't permit them outside.
  • Question
    Why do are the leaves turning yellow? They were green when I first bought them.
    Community Answer
    Maybe you are not following the watering regimen correctly. You need to mimic a desert setting. Water once a week at most.
  • Question
    How do I take care of my moss rose over the winter? It is in a hanging basket.
    Community Answer
    The moss rose might not live too long, because it's an annual, but keep making sure it gets plenty of light and small amounts of water.
  • Question
    My moss rose is in a shady area out of direct sunlight, but the leaves have thinned and it doesn't bloom anymore. What could be causing this?
    Community Answer
    Moss roses tend to like a desert-like climate, so place them in direct sunlight. That should help.
  • Question
    The pictures showed round leaves but the plants I have which actually bloom flowers have pointed spike like leaves. I also have the round leaf plants in my flower bed. Are they part of the moss roses plants?
    Community Answer
    Moss roses tend to have more pointy leaves than the illustrations suggest.
  • Question
    Why did my moss roses suddenly start laying down and start getting spindly?
    Community Answer
    Moss roses are annuals, so they unfortunately don't live more than a few months.
  • Question
    I have heard that my moss rose will come back in the spring, but to try this what should I do? Cut it way back or leave it alone?
    Community Answer
    Mine line the driveway and I do nothing in the fall. They come back each year by themselves.
  • Question
    I have some moss roses in large pots. They have grown well and the flowers are great but they only bloom for a day and then they die on the second day. What should I do?
    Community Answer
    I have my moss roses in planters, also. If you will deadhead them, then remove only the dead blooms, they will produce blooms, daily. Be careful not to break the stems, they’re very fragile.
  • Question
    What would cause a hair-like film on my moss roses?
    Trina Kelly
    Community Answer
    Mine developed the same thing when I placed them in the greenhouse where the humidity is higher. They never seemed to dry out. I think it is too much watering or high humidity. I have removed them to the outside and will see if the fungus dies.
  • Question
    How can I tell if my portulacca is dead?
    Community Answer
    It might be dead if it's stopped blooming, has turned yellow or brown, and can no longer support its own weight.
  • Question
    How do I tell if my moss roses are getting too much water?
    Community Answer
    The leaves will start to go into shades of yellow and brown, then presume the flowers will not bloom when over-watered.
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