Q&A for How to Grow Prickly Pears

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  • Question
    Can I grow prickly pear cactus at a high altitude of 1700 meters (in Lebanon)?
    Andrew Carberry, MPH
    Food Systems Expert
    Andrew Carberry is a Food Systems Expert and the Senior Program Associate at the Wallace Center at Winrock International in Little Rock, Arkansas. He has worked in food systems since 2008 and has experience working on farm-to-school projects, food safety programs, and working with local and state coalitions in Arkansas. He is a graduate of the College of William and Mary and holds a Masters degree in public health and nutrition from the University of Tennessee.
    Food Systems Expert
    Expert Answer
    Plants may grow slower at a high elevation. If the temperature gets below 14 degrees F (-10 degrees C) regularly, it is best to plant the cactus in a pot and move it indoors for the winter.
  • Question
    Will prickly pear cactus grow well and survive the winter in Tennessee?
    Andrew Carberry, MPH
    Food Systems Expert
    Andrew Carberry is a Food Systems Expert and the Senior Program Associate at the Wallace Center at Winrock International in Little Rock, Arkansas. He has worked in food systems since 2008 and has experience working on farm-to-school projects, food safety programs, and working with local and state coalitions in Arkansas. He is a graduate of the College of William and Mary and holds a Masters degree in public health and nutrition from the University of Tennessee.
    Food Systems Expert
    Expert Answer
    You may want to try growing your cactus in a pot so you can move it indoors during severe cold snaps. Otherwise it will do great in Tennessee!
  • Question
    My prickly pear cactus won't fruit. It is in a sunny location in Southern California, what's going wrong?
    Community Answer
    It is possibly its focusing on growth more than reproduction, meaning it's growing more instead of flowering. The recommended solution is to add a 0-10-10 fertilizer. Often, these fertilizers are labeled "super bloom" or "ultra bloom".
  • Question
    Will my prickly pear that was left outside in its pot over winter still rejuvenate?
    Community Answer
    It should. They wrinkle a bit from the cold, but they bounce right back in the spring. Prickly pear cactus is hardy and can be successfully grown as far north as Canada.
  • Question
    I propagated my prickly pear from a pad two to three years ago and it's healthy, but hasn't grown another pad or flower. I live in Johannesburg. What can I do?
    Community Answer
    While cacti are extremely drought tolerant, they still require water. If it is not growing, it likely needs additional water. Cacti also are intolerant of shade.
  • Question
    Should I remove the fruit from the cactus after it has finished blooming?
    Shadow Gaming
    Community Answer
    You can take the seeds from the fruit and use them to grow more cacti. Only take fruit that has ripened and is solid red in color.
  • Question
    Can I use a store-bought cactus pad to grow my own plant?
    Community Answer
    Yes. Place the leaves flat on a moist part of the ground in the full sun, it should grow its own roots and begin producing fruit.
  • Question
    What is the best time of the year to plant?
    Community Answer
    Early spring is the best because it is the best growing season for the plant. That will allow it to grow once you plant it.
  • Question
    How close to a south-facing wall can the cactus be planted?
    Community Answer
    Outdoors, it needs full sun. Indoors, a south-facing window is the bare minimum, and will likely result in poor growth.
  • Question
    How about if it is planted upside down? What happens?
    Community Answer
    It wont root. The wound on the pad is the part that grows roots. If you place a pad on the wrong side, it wouldn't root and would die.
  • Question
    Will prickly pears freeze in the winter? Do they die and grow again from the roots?
    Community Answer
    No, they will not grow from root. You can use mulch in winter to prevent it from dying.
  • Question
    How do I get the fruit to flower?
    James Mercier
    Community Answer
    Just like any other cacti, they should be dormant for the winter months. Place it in a cool area and don't water it until the spring months when it gets warmer. Then it should be ready to bloom in summer.
  • Question
    Can I grow prickly pear in a tropical climate?
    Community Answer
    Yes. Make sure that the soil drainage is sufficient, though, as tropical climates usually receive more rainfall than opuntia species usually receive. It is best to know the species of opuntia (prickly pear) you are planting.
  • Question
    What kind of weed killer can I use in my outside prickly pear patch?
    Community Answer
    You'll need to pull the weeds manually, then use mulch to cover the area so they don't regrow. Any chemical weed killer could infect your plant.
  • Question
    Can I grow prickly pears from seeds that are over a year old?
    Community Answer
    If the seeds were kept in a cool, dry place, then certainly.
  • Question
    What do I do if my prickly pear plant is too tall and keeps toppling over?
    Community Answer
    Prune it. It’s top heavy. Prune it only during the growing season, namely summer.
  • Question
    Is it normal that the prickly pear fruit starts shrinking? What colors are they supposed to be?
    Community Answer
    If your prickly pear cactus is shrinking, that means you’re not watering your cactus enough.
  • Question
    If my prickly pears have sprouted new pads, can they be separated? If so, how would I do that? Should I take them out of the pot, remove the soil and cut them?
    Community Answer
    Yes, they can be but you want to let them grow a bit before cutting them off. Just cut them straight off the cactus. No need to take it out of its pot for some paddles. After you cut a pad off you need to let the fresh cut callus over for a day or two. Then you can put rooting powder on The bottom side where you cut it. Rooting powder helps it grow roots and establish to the pot faster.
  • Question
    What happens to prickly pear fruit if it's not harvested?
    Community Answer
    Fruits will simply die off naturally, usually by falling off the paddle. Often they get eaten by birds.
  • Question
    How do I control the root system of my prickly pear if I want to plant it in the yard? Someone told me it will grow so many plants that I will lose control of them. Is that true?
    Community Answer
    Prickly pear are very easy to manage. When they begin to grow into large size plants you can simply cut off excess padless to maintain the size/shape you want. The root systems are small and do not spawn other plants.
  • Question
    If I don't get all the roots, will it spread?
    Community Answer
    Once prickly pear is established, it can send out roots several yards and you will see babies poking up nowhere near the mother plant. About the only way to kill it is several days of snow or loving it to death by overwatering. This plant is tough and will do much better if you ignore it.
  • Question
    My prickly pear has grown a fair amount since I got it about 6 months ago, but now it’s bending a lot and the top seems too heavy for the base. The bottom pads also looking puny. What should I do?
    Community Answer
    Cut the top healthy part off from the base, let it scar, and then replant the top. You could see if the base wants to continue to grow, or just throw it out and focus on the new healthy plant. Prickly pears are very tough, opportunistic plants.
  • Question
    Can I move my cactus bed to another location in the fall?
    Community Answer
    As long as the new bed is well-drained and has enough sunlight for the cactus you are growing, it shouldn’t be a problem. Unless you have really well-established specimens, then you may not want to disturb them. With cactus, the less you fuss, the better they do.
  • Question
    How long does it take a prickly pear that's been propagated from a pad to flower or fruit?
    Community Answer
    It takes several years to get prickly pear mature enough to flower and fruit. This time will also depend on how much of the year the plant produces new growth. In south Texas, prickly pear can usually put out new growth 9-10 months a year. That’s a lot of growing time.
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