When I stumbled across raspberry canes for sale at my local Lowe’s store, I was intrigued because everyone kept telling me that raspberries don’t grow here. So, I defiantly bought three canes. I then did a bunch of reading and research and discovered that there are raspberries that will grow here. Now, these three canes I purchased might not be the right variety for my zone, but it set into motion the need to build a trellis for the raspberry canes to grow. This was my prototype, discovered on Pinterest.
I made my supply list and my sons helped me get all the lumber and concrete home from Lowe’s. Yesterday, in about four hours I built my own raspberry trellis. You first need to select an area that stays shaded. Raspberries aren’t great fans of intense full day sunshine, especially this far south. I selected the flatest area of my lot so as to not have to make that much adjustment for slope. I had bought 8ft pressure treated 4×4 beams. I dug 24 in, 22 in and 18in deep holes, respectively.
I needed only two bags of concrete mix to anchor each hole. I took care to level the posts.
I learned that anchoring the 5/8 x 6in x 8ft planks was difficult as a single person job. I had to improvise a second set of “hands”.
Drilling pilot holes made an easier job of getting the 1st screw anchored.
I then used heavy gauge wire cutters to cut out sections of the coated wire fencing to set down over the 4×4 beams and onto the cross planks. I anchored that with U nails.
I then added wrought iron hooks and two bird feeders to better mark the corners of the unit so that when the yard man is mowing he doesn’t run into the green coated wire that protrudes from the sides.
I amended the soil with compost from my own bin and plants the raspberry canes. I MIGHT get berries in the fall. If not, I will order new canes next fall for planting.
I love your website.. I was wondering if you have any simple instructions/photos of building a grapevine arbor. I have a very old vine that desperately needs a new arbor. Also, it was pruned incorrectly and now has far too many shoots. I am trying to save it but I am not an arborist nor do I know much about concord grape vines. If you have any suggestions, I would be greatly appreciative. Thank you.
Just ran across your post. How did your raspberries do with this trellis system?
The trellis works great! My problem has been finding varieties of raspberries that tolerate zone 9. The summers are just so harsh in my area.
love the design. Am wondering/concerned about using pressure treated lumber with edible landscaping…? I’m planning to use untreated locust posts and untreated mulch for raspberry plants that we hope to harvest and eat berries from, but sincerely wondering if you’ve got additional info to share? Thanks!
Kate, The lumber I used is pressure treated but planted into concrete, so I figured whatever they treat the wood with, it would have to leech through the concrete in the post hole first. There is maybe 3-4 inches above the post hole that is in contact with the soil. I figure the amount of potential contamination is low in comparison to the rest of the world. And home grown raspberries will have far fewer chemicals than the pushed artificially augmented berries in the store.
I saw a post where they use the cement blocks and leveled and poured the concrete into the blocks held up good then you don’t have to worry about treated posts. But you could always use untreated they last quite awhile. Or even fence post.
You are correct to worry. The area of treated wood that the canes, leaves, and berries will touch can all be points where chemicals are leached into the food. Pressure treated wood should not be used for growing food.
Where did you get the wire? Any specifications!?
How many raspberry plants did you plant? I just did your set up but was wondering how many plants would work best