Boysenberry Plant

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Description

About Boysenberry Plants

The Boysenberry plant is known for producing large, juicy, dark purple berries that are used for baking delectable desserts and making wonderful jam. This is a hybrid plant, having blackberry, raspberry, loganberry, and dewberry in its parentage. It is a bramble, and its scientific classification is rubus ursinus x rubus idaeus.

The Boysenberry was developed by Rudolph Boysen in Anaheim, California, in the 1920’s. It was another berry farmer in the area, however, who popularized the fruit--Walter Knott of Knott’s Berry Farm in Buena Park. Mr. Knott began growing the berries in the early 1930’s, and his wife, Cordelia Knott, made them into jams and pies. The popularity of her cooking with Boysenberries (and her famous fried chicken) led in large part to the eventual development of the amusement park known today as Knott’s Berry Farm.

This vining bramble produces small white flowers in the spring. The plant grows thin, thorny canes from its fibrous roots.

Stark Bro’s Boysenberries are from the original Boysen cultivar.

The Fruit

Boysenberries are larger and sweeter than blackberries, but comparable to them and raspberries in taste.

Enjoy this rare treat! Boysenberries are not typically found in grocery stores, due to their fragility. This also means that the berries should be processed quickly after harvest. One common way to do so is by making jams and jellies.

Use Boysenberries to bake delicious treats like cakes, pies, and turnovers. Add as a flavoring for ice cream, cream cheese, or pancakes. And don’t forget to use these sweet berries in savory dishes, where sauces can compliment roasted pork or beef.

Boysenberries contain anthocyanins, which are antioxidants found in plants that contain dark red coloring. They are high in vitamin C and also contain vitamins K and E, manganese, copper, and magnesium.

Growth and Care

Boysenberries are one of a group of brambles known as trailing blackberries, meaning the plant needs to be supported by a trellis system. The other type is erect, which does not need outside support. Boysenberries can be successfully grown in pots, with proper trellis support.

Plant Boysenberries in full sun and well-drained soil. Water the plant at its base to avoid fungus growth. This plant is heat tolerant and self-pollinating. It is not cold-hardy, so be sure to check its USDA zone compatibility. To protect them during the occasional frost, plants should be covered with hay or other insulating materials.

Plants should start producing berries in one to two years. Harvest is in late July. Pruning should be done following the harvest in late autumn over the winter.

Buy a Boysenberry plant and enjoy an abundance of deliciously sweet, dark purple berries!

Survival Guaranteed!

Since 1816, Stark Bro’s has promised to provide customers with the very best fruit trees and plants. It’s just that simple. If your trees or plants do not survive, please let us know within one year of delivery. We will send you a free one-time replacement, with a nominal shipping fee of $9.99. If the item in question is not available, we can issue a one-time credit to your account equaling the original product purchase price or issue you a refund. Read more about our warranty policy.

Characteristics

Bloom Color White
Fruit Color Purple
Fruit Size Extra Large
Hardiness Zone Range 6 - 9
Pollination Self-Pollinating
Ripens/Harvest Late July
Shade/Sun Full Sun
Soil Composition Loamy, Sandy
Soil Moisture Well Drained - Average Moistness
Soil pH Level 6.0 - 6.5
Taste Sweet
Texture Firm
Years to Bear 1 - 2

Size & Spacing

Mature Size

When your plant matures, it will be approximately 5 - 6' tall x 5 - 6' wide.

Recommended Spacing

We recommend spacing these plants 5 - 6' apart to ensure room for growth.

Zone Compatibility

This Variety's Zone Range 6 - 9
My Hardiness Zone ?
The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Each zone corresponds to the minimum winter temperatures experienced in a given area. Make sure that your hardiness zone lies within the zone compatibility range of this variety before ordering.

Pollination

This variety is self pollinating.

In many cases, you may still want to plant pollinating partners to increase the size of your crops, but with self-pollinating varieties doing so is optional. You'll get fruit with only one plant!

Tools & Supplies

Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! Here's a list that our experts recommend for this variety.

Planting & Care

Learn all about how to grow hybrid berry plants in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Arrives when it's time to plant

Your success is our priority. We work hard to make sure that your order arrives at the ideal time for planting in your location based on your local climate conditions.

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Questions & Answers

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119 Questions
Why did you choose this?

I LOVE BOYSENBERRY JAM!!

Would like to try growing them in MD.

I have always wanted to add Boysenberry to my backyard garden. I trust Stark Bros to provide the best.

same as Marionberry plant, trying it.

Customer Reviews

156 Ratings
4.2out of 5 stars
156 Ratings

Rated 5 stars by 61% of reviewers

Rated 4 stars by 17% of reviewers

Rated 3 stars by 12% of reviewers

Rated 2 stars by 4% of reviewers

Rated 1 star by 6% of reviewers

1-10 of 156 Reviews
Rated 5 out of 5
May 2, 2025
This slow grower turned into an incredibly vibrant plant! I was sent a small twig that I didn't expect much from, but in the past few months since planting it's grown well over six feet in length and even produced some berries its first year! Very pleased with this purchase.
Rated 5 out of 5
Dec 12, 2024
Boysenberry plant
It was fresh and healthy upon arrival and has grown very fast. Thank you
Rated 5 out of 5
Nov 13, 2024
Stark Bro's gets A+
Beautiful healthy plant. Fast shipping, handled with care.
Rated 5 out of 5
Oct 3, 2024
Boysenberry
Very good little plants. About to be tested in winter weather.
Rated 5 out of 5
Sep 22, 2024
Good plants
Good plants, with plenty of water they are growing- am hoping to see berries next year
Rated 5 out of 5
Sep 15, 2024
Boysenberry plants
The boysenberry plants were very nice. They have done well so I'm hoping for berries next summer. It's been along time since I've enjoyed the taste of boysenberry cobbler.
Rated 5 out of 5
Sep 12, 2024
Healthy Boysenberry Plants
I purchased 6 boysenberry plants. After planting them this spring, I was a little concerned because they were growing very slowly for several weeks. But, once warm summer weather hit, they have taken off and I now have multiple vines coming out of each plant, some of which are over 10 feet long! I built a trellis out of 3 fence posts and two strings of wire and have been training the vines up the trellis. All six plants look very healthy and I can't wait for next summer to taste the fruits of my labor!
Rated 5 out of 5
Sep 9, 2024
The Boysenberry Plants I purchased this summer are growing quickly. The vines have taken off! Soon I will have to cut back to encourage a good harvest for my first year of harvesting. It looks very heathy planted besides my 8 ft. trellis.
Rated 5 out of 5
Sep 8, 2024
Purchased a total of five, two to our daughter and one to a new friend that had never heard of it . All five are doing great. All of the plants arrived in great condition, your packing works well.
Thank you.
Rated 5 out of 5
Sep 6, 2024
Customer Satisfaction
The plants I have purchased from Stark Brothers, I have been very satisfied with.
Thanks,