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Pacific blackberry
Plant Care Instructions By Mitch Shirts

Blackberries are easy to grow in Southern California, but they do take some maintenance to keep plants under control and producing well. The main thing to remember is that each blackberry cane produces fruit in its second year, then should be removed after summer harvest to make room for the new canes to grow for next year. Buy your plants from a reputable local nursery so that you get varieties which do best in your area.

Is Indoor Plant?

No

These month by month plant care tasks are for plants in the following zones :
Sunset Zones : 18, 19, 20, 21, 22, 23, 24
USDA Zones :
Web Link - For more information
Scroll down or click on any month for plant care instructions
  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
  • January
    • Buy

        Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

    • Plant

        Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

    • Water

        Water regularly during dry periods.

  • February
    • Buy

        Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

    • Plant

        Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

    • Fertilize

        Fertilize lightly with a 5-10-10 plant food.

    • Water

        Water regularly during dry periods.

    • Treat for Pest/Disease

        If insect pests were a problem last year, apply a dormant spray containing lime sulfur this month.

  • March
    • Buy

        Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

    • Plant

        Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

    • Water

        Water regularly and consistently.

    • Prune

        Cut side branches on last year's canes back to 12" long to encourage bushy growth and more berry production this year.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Propagate

        Propagate by digging new shoots and roots from the outside of clumps as they appear.

  • April
    • Buy

        Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

    • Plant

        Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

    • Fertilize

        Fertilize lightly with a 5-10-10 plant food.

    • Water

        Water regularly and consistently.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Propagate

        Propagate by digging new shoots and roots from the outside of clumps as they appear.

  • May
    • Water

        Water regularly and consistently.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Propagate

        Propagate by digging new shoots and roots from the outside of clumps as they appear.

  • June
    • Water

        Water regularly and consistently.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Protect

        Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

    • Harvest

        Harvest berries when they are fully ripe and come off the plants easily.

  • July
    • Fertilize

        Fertilize lightly with a 5-10-10 plant food.

    • Water

        Water regularly and consistently.

    • Prune

        After harvest, cut all canes that have fruited back to the ground. For each plant, choose 12 new canes from this year's growth to replace the old canes (and remove others). Cut these new canes back to to 6 feet tall, and train onto the trellis.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Protect

        Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

    • Harvest

        Harvest berries when they are fully ripe and come off the plants easily.

  • August
    • Water

        Water regularly and consistently.

    • Prune

        After harvest, cut all canes that have fruited back to the ground. For each plant, choose 12 new canes from this year's growth to replace the old canes (and remove others). Cut these new canes back to to 6 feet tall, and train onto the trellis.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

    • Protect

        Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

    • Harvest

        Harvest berries when they are fully ripe and come off the plants easily.

  • September
    • Water

        Water regularly and consistently.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

  • October
    • Water

        Water regularly and consistently.

    • Mulch

        Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

  • November
    • Water

        Water regularly during dry periods.

  • December
    • Water

        Water regularly during dry periods.

  • Winter
    • Spring
      • Summer
        • Fall
          • Buy

            When's the best time to buy this plant? When can you buy these from seed (if you can)? When is it usually available? What are things to look for when you're buying it? Or anything other tidbit of information you can share!

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • January

              Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

            • February

              Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

            • March

              Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

            • April

              Buy healthy, disease free bare-root plants from a reputable local nursery that stocks the best varieties for your area.

          • Plant

            When's a good time to plant this plant or bulb? Any special planting instructions?

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • January

              Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

            • February

              Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

            • March

              Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

            • April

              Plant plants in rich, well-drained soil in full sun or a little shade, using plenty of soil amendment (in hot-summer areas, plant in an area that is protected from strong afternoon sun and strong winds). Plant plants an inch deeper than they grew in the nursery, covering crowns with an inch of soil. Plants will be trained on a fence or wire trellis, and you should allow plenty of room for plants to grow.

          • Sow Seeds

            When can you plant these seeds? When's the best time? Can you start them indoors and move them out? Do they have any special requirements?

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • Fertilize

              When should you fertilize this plant? Which kind of fertilizer do you recommend? Should you use different fertilizers at different times of year?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • February

                Fertilize lightly with a 5-10-10 plant food.

              • April

                Fertilize lightly with a 5-10-10 plant food.

              • July

                Fertilize lightly with a 5-10-10 plant food.

            • Water

              Is there a time to reduce or increase watering? Any special requirements? Things to avoid during certain times of the year?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • January

                Water regularly during dry periods.

              • February

                Water regularly during dry periods.

              • March

                Water regularly and consistently.

              • April

                Water regularly and consistently.

              • May

                Water regularly and consistently.

              • June

                Water regularly and consistently.

              • July

                Water regularly and consistently.

              • August

                Water regularly and consistently.

              • September

                Water regularly and consistently.

              • October

                Water regularly and consistently.

              • November

                Water regularly during dry periods.

              • December

                Water regularly during dry periods.

            • Prune

              When's a good time to prune this plant? How about deadheading, pinching back, trimming or any other grooming? Any special requirements?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • March

                Cut side branches on last year's canes back to 12" long to encourage bushy growth and more berry production this year.

              • July

                After harvest, cut all canes that have fruited back to the ground. For each plant, choose 12 new canes from this year's growth to replace the old canes (and remove others). Cut these new canes back to to 6 feet tall, and train onto the trellis.

              • August

                After harvest, cut all canes that have fruited back to the ground. For each plant, choose 12 new canes from this year's growth to replace the old canes (and remove others). Cut these new canes back to to 6 feet tall, and train onto the trellis.

            • Mulch

              Does this plant need to be mulched? Are there specific types of Mulch which are better for this plant? How much?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • March

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • April

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • May

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • June

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • July

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • August

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • September

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

              • October

                Maintain a generous mulch around the plants to keep roots cool and moist and to conserve water use.

            • Protect

              When and how should you protect this plant from birds, deer, rabbits? Does this plant need be covered, or wrapped or painted or moved?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • June

                Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

              • July

                Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

              • August

                Protect ripening berries from birds. In hot-summer areas, protect plants from hot summer sun while berries are ripening.

            • Pest/Disease Inspection

              What are the common problems this plant will face and when should you look for them to appear?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • Treat for Pest/Disease

                How do you treat the common problems for this plant? What products or concoctions or natural means do you use? Any special requirements?

                •  Jan
                •  Feb
                •  Mar
                •  Apr
                •  May
                •  Jun
                •  Jul
                •  Aug
                •  Sep
                •  Oct
                •  Nov
                •  Dec
                • February

                  If insect pests were a problem last year, apply a dormant spray containing lime sulfur this month.

              • Transplant

                When's the best time to dig up and transplant this from one spot to another? (This is different than planting). Any special requirements?

                •  Jan
                •  Feb
                •  Mar
                •  Apr
                •  May
                •  Jun
                •  Jul
                •  Aug
                •  Sep
                •  Oct
                •  Nov
                •  Dec
                • Propagate

                  When's a good time to divide, take cuttings, layer or propagate this plant. Any special requirements?

                  •  Jan
                  •  Feb
                  •  Mar
                  •  Apr
                  •  May
                  •  Jun
                  •  Jul
                  •  Aug
                  •  Sep
                  •  Oct
                  •  Nov
                  •  Dec
                  • March

                    Propagate by digging new shoots and roots from the outside of clumps as they appear.

                  • April

                    Propagate by digging new shoots and roots from the outside of clumps as they appear.

                  • May

                    Propagate by digging new shoots and roots from the outside of clumps as they appear.

                • Harvest

                  When's a good time to harvest this plant? What's the best way to harvest? Are there special requirements or features?

                  •  Jan
                  •  Feb
                  •  Mar
                  •  Apr
                  •  May
                  •  Jun
                  •  Jul
                  •  Aug
                  •  Sep
                  •  Oct
                  •  Nov
                  •  Dec
                  • June

                    Harvest berries when they are fully ripe and come off the plants easily.

                  • July

                    Harvest berries when they are fully ripe and come off the plants easily.

                  • August

                    Harvest berries when they are fully ripe and come off the plants easily.

                • Special requirements

                  Any other requirement for this plant? Is there anything that doesn't fit into the other care categories?

                  •  Jan
                  •  Feb
                  •  Mar
                  •  Apr
                  •  May
                  •  Jun
                  •  Jul
                  •  Aug
                  •  Sep
                  •  Oct
                  •  Nov
                  •  Dec

                  Click This Button To Use These Plant Care Reminders

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