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Tips on growing and pruning raspberries & blackberries

Feb 02, 2012 -
   
  Tips on growing and pruning raspberries & blackberries
Tricia brandishes a blackberry vine she just pruned. Learn some pruning tricks here for bountiful berries.
 
   

SUPPORT YOUR RED & GOLDEN RASPBERRIES

In our video on planting and growing raspberries and blackberries, Tricia shows how she grows her blackberries and black raspberries in the “hill method”, with the canes growing in clumps next to a fence or post for support. Boysenberrries are related to blackberries and should be grown the same way.

Red and golden raspberries don’t just look different from black raspberries—they need more support and their canes should be tied to structures.

There are many support options for you.

Tricia strings twine from post to post as support for red raspberries. When it’s time to cut down and discard the canes, the twine can go along with them.

If you want a permanent support for your red and golden raspberries, use galvanized wire at three different levels between T bars and weave the canes through the wire.

You can also build a Y-shaped trellis and attach the growing canes to galvanized wire or twine on the arms of the Y. The canes will then form a V-shape, allowing plenty of sun and air to reach the berries. The University of Maine has a video that shows a Y-trellis in use.

PRUNING EVERBEARER OR FALL BEARER RASPBERRIES

Typical raspberries have perennial roots and biennial canes. The roots send up canes that do not produce anything but leaves in the first year. In the second year they bloom and fruit, then die, and are cut to the ground after the summer harvest.

With the everbearer or fall bearer raspberries, the first year canes produce fruit at the tips in late summer or fall,  and from side (or lateral) branches in their second summer.

For the maximum crop, mow or cut down all the everbearer canes after the fall harvest.

MOWING OR CUTTING DOWN CANES

For a typical home berry patch, cut those canes off near the ground with loppers.

With a large garden or a farm, you can make fast work of the canes with a powerful BCS Garden Tiller and a Sickle Bar Mower attachment. Fast work? Just watch the video of this tiller on the job.

TIP: Make it easy to mow the canes. Don’t drive your T bars into the ground, and then mow around them. Instead, sink PVC pipes in the ground, and drop the T bars inside the pipes. When it’s time to mow, pull the T bars out of the way, mow, and then replace the T bars.

HALF AS MUCH: Another alternative is to mow half the bed each year. That way you will have berries in summer at the tips of new canes AND berries on the older, lower branches. And you only have to mow half as much.

For more bramble information try the short and sweet book on Berries: Raspberries & Blackberries from Storey. In the Country Wisdom Bulletin series, it is 32 pages and only $3.95.

UC Davis has a quick overview of growing cane berries in the Sacramento area, too.

Make raspberries and blackberries an inexpensive part of your summer diet when you grow your own!


Categories: Berry Plants, Blackberry Plants, Boysenberry Plants, Raspberry Plants


GBaygardener Says:
Apr 23rd, 2012 at 12:52 pm

Hi Charlotte: I would love to plant berries in my garden, but am more than a little frightened by the garden sites online and the scary stories from hearsay about the terrible invasive habits of berries. What are the best techniques to avoid the invasive habits, and are there any berry varieties that aren’t invasive? Thanks for all of your excellent gardening advice and for this wonderful online resource, too!

Charlotte, Peaceful Valley Says:
Mar 5th, 2013 at 8:43 am

GBaygardener, Glad to hear you are enjoying our online gardening resources. As for invasive cane berries—trellis and prune your cane berries, as shown in the video and this article, and you should be fine.

Don Says:
Mar 10th, 2013 at 6:15 am

At the very end of the video I see a light fine mulch used to cover the raspberry rows and prevent weeds.  What is that mulch and do you carry it?

Charlotte from Peaceful Valley Says:
Mar 11th, 2013 at 4:27 pm

Don, That is rice straw that Tricia is spreading. We don’t sell it but you can find it at feed stores and some garden centers.

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