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Description

Early and heavy producer. Erect canes make it easy to pick these firm, midnight-black berries. Fruit stores well for longer-term enjoyment. Plants are disease-resistant and cold-hardy. First-year canes begin ripening in mid-July, while second-year canes bear heaviest crops in June. Both continue to fruit until frost. Everbearing primocane. Early season. Self-pollinating. May be covered by U.S.P.P. #22449 or other patents. APF-45 cultivar.

Characteristics

Bloom Color Pink, White
Fruit Color Black
Fruit Size Medium - Large
Pollination Self-pollinating
Ripens/Harvest First Year Canes Mid July, Second Year Canes June
Shade/Sun Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 6.0 - 6.8
Taste Very Sweet, Juicy, Excellent
Texture Firm
Years to Bear 1 - 2
Zone Range 5 - 8

Zone Compatibility

This Variety's Zone Range 5 - 8
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 compatability range of this variety before ordering.

Size & Spacing

Mature Size

When your plant matures, it will be approximately 4 - 5' tall x 3 - 4' wide.

Recommended Spacing

We recommend spacing these plants 3 - 4' apart to ensure room for growth.

Recommended Pollinators

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!

Related Assortments

This item is also available in this money saving assortment.

We bundle many of our popular products in assortments with other items that compliment each other. Plus, when you purchase an assortment, you save money compared to buying each item individually!

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 blackberry plants in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Estimated Delivery Date

You don't pay until it ships.

We work hard to make sure that your order arrives at the ideal time for planting in your location. That's why we only ship living products during certain times of the year. Order now and your credit card won't be charged until your climate is suitable for planting success and your order is shipped.

Shipping Restrictions

Agricultural regulations prohibit shipment of certain types of trees and plants. We do our best to provide a selection that gives everyone a chance to grow their own. This item cannot be shipped to all of AZ.

Our Promise of Satisfaction

1 Year Warranty

Every order comes with our promise of satisfaction. If you aren't completely satisfied with your order, let us know within one year for a free one-time replacement or refund.

Tags

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Questions & Answers

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Browse 8 questions Browse 8 questions and 37 answers
Why did you choose this?
Stark Bro's Store
I wanted to get a primocane variety to get more fruit
Meghan L on May 31, 2016
Early fruit production
Paul B on May 10, 2016
I wanted to get a primocane variety to get more fruit
Meghan L on May 31, 2016
I was told they are very good producing a lot of fruit, and great flavor, and nice size fruit." Super sweet" "Great Tasting" said my neighbor.
James H on May 13, 2016
Early fruit production
Paul B on May 10, 2016
Going to combined with Chester and see how the patch will do.
Eric and Olivia B on May 4, 2016
Want to try the primo cane variety.
Jacqueline L S on Apr 26, 2016
works for my area, good fruit, but mainly because they have thorns to offer some deer resistance
Les M on Mar 19, 2016
Outstanding plants!! Bore fruit in very neglectful circumstances!!
Deborah S on Mar 18, 2016
Because of its size and it's self pollinating
StJulian C on Mar 17, 2016
Want to replace thornless blackberry plants that are too tender for my local climate
Jim I on Mar 15, 2016
Ease of care, primocane
Natalie P on Mar 7, 2016
Fruits till frost and cold hardy.
Rick S on Mar 6, 2016
Primocane and zone character
Jon H on Mar 5, 2016
I want higher production by having the berries grow on both new and old canes
Carolyn S on Feb 29, 2016
I was told they are very good producing a lot of fruit, and great flavor, and nice size fruit." Super sweet" "Great Tasting" said my neighbor.
James H on May 13, 2016
Going to combined with Chester and see how the patch will do.
Eric and Olivia B on May 4, 2016
I am interested in the blackberry plants. The spot I want to plant them is near the spot I am planting my apple trees. My question is how close to my apple trees can I plant the blackberries and other plants?
g3n3fi on Mar 25, 2016
BEST ANSWER: We have no apple trees where we live now, but where we used to live, we had a big patch of blackberries growing within 10 feet of the drip line of apple trees crowns.(i.e. about 20 feet from the trunks of the trees). Not counting blackberries that we let friends pick, we picked up to 128 quarts in one summer. I wouldn't worry about it.
Is this thornless?
Connie C on Mar 13, 2016
BEST ANSWER: They had small "thorns" when planted. More like stickers. They are dormant, under snow right now and cannot say for certain if they remain this way, but probably.
Prima Ark 45. Do I need to plant these among other berries for cross-fertilization? I have a raised bed 4' x 4'
George on Feb 28, 2016
BEST ANSWER: I have planted this without any other variety and they are doing great. As far I know these are self pollinating. However cross pollination is always better.
When and how should I prepare my prime-ark 45 berries for winter?
Lincoln M on Aug 1, 2016
BEST ANSWER: Hello, Lincoln. I have primo-cane raspberries as well as the Prime Ark blackberries and I do the the same thing for both. They are on their own for the winter. In early spring I cut down last year's canes. While this limits me to the main crop in the fall it also avoids a lot of bug/disease problems. I think it makes for a more vigorous primo-cane as the roots don't also have to support last year's canes.
I thought with primocanes you cut them down to the ground each winter, but these indicate the second year canes bear more fruit. Do you just leave canes on and never cut?
Joe k on May 5, 2016
BEST ANSWER: I cut canes that have borne for two years. It's not always easy to tell and sometimes I find a cane that hasn't bloomed part way through the season and cut it then. So the pruning is a bit more continuous during the season. So far ours are young, small, and we don't have many plants so it hasn't been hard to figure out.
Do these need to be isolated from wild or other blackberries? Can they cross pollinate and cause the berries to not be true to parent plant?
Ma Kettle on Mar 22, 2016
BEST ANSWER: No isolation is needed unless you know your wild blackberries have disease issues. The hybridity happens in the seeds. You'd have to plant the seeds from the blackberries, which would grow into new plants whose future berries would be hybrids of the wild blackberries and the Prime-Ark 45 blackberries. It does not happen in the immediate fruit.
i have had my plants for 2 years , do i cut them down to the crown while it is still summer or do i wait till first freeze,or when ?
CHRIS S on Aug 4, 2016
BEST ANSWER: wait until frist freeze or dormancy. you still might get some this year. stake them up or fence ti keep them from spreading on the ground. just i ike wild berries they will take over if you dont trim them back. but only the suckers. you should still maybe get a few this year. make wonderful jam and smoothies, enjoy mc

Customer Reviews

4.6 / 5.0
17 Reviews
5 Stars
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1 Star
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PrimeArk 45 Great plants.
I got my PrimeArk 45 plants and had great success with my first year planting.
I was amazed at how fast they grew. I pinched the tops and made them branch out and got a quite a few quarts on my 3 plants. I was very pleased with them.
February 19, 2016
Purchased
10 months ago
Planted with Arapaho Erect Thornless & Kiowa Blackberry
All 3 produced like crazy, and all were good, but one of them was Excellent, wish I knew which one that was, so I could order more. It was one of the smaller blackberries. The Kiowa is a huge blackberry but not as tasty as one of the smaller ones.
April 19, 2016
PrimeArk 45
Good producer in the first year of planting. Fruit is large, plentiful, and exceedingly sweet. Plant is hardy and had no trouble with a harsh Ohio winter.
May 1, 2016
blackberries
these things are proliffic, so much i had to cut them back. but beautiful fruit and lots of it.
May 11, 2016
Purchased
over 2 years ago
Primeark 45 Primocane Blackberry
We love our Primeark 45 blackberrys. We have ordered several different times and our family is very pleased with this berry. When we received our shipments from Starks the berry plants had to be repotted in larger containers to grow to a plant size that could be planted in or berry patch. The first primocanes began to grow in early April,I topped the canes when they were about four feet high. I had 10 berry plants that were producing over five gallons of berries per picking. The berries are large and very sweet when fully ripened.
May 24, 2016
Purchased
1 year ago
abundant crops for 2 years.
I have been able to put up gallons of blackberries and enjoy the thorn less bushes. The cane variety is great in that it creates its own support system. I have frozen so many blackberries, made 4 blackberry cobblers, and have been able to give some to friends. I have also shared the offshoots to friends to start their own blackberry vines.
Berries are large and sweet. I do have to fight the birds for them though.
August 16, 2016
Purchased
1 year ago
Happy customer
I am in zone 7 and the plants have done well in my area. I had some fungal problems but pruned the lower branches and disposed of the infected leaves. To much Moisture I think. Overall I have been pleased with my purchase.
May 10, 2016
Purchased
1 year ago
blackberry
have had two procane blackberry for 2 yrs-first year we had 4 large berries-excellent texture, taste, and moisture-surprised they survived over the winter-have not had any flowers this year- in part because of rabbits and early weather-they are maturing so expect the best
August 13, 2016
Purchased
1 year ago
So far so good
Entering it's second growing season, already showing lots of buds... excited to get a good crop this summer! I've grown other blackberries before, and this one has not produced suckers like my other ones did... but I had to move it this spring. Survived the transplant and still getting ready to bud out for berries.
May 11, 2016
Purchased
1 year ago
Great Berries
Vigorous plants with large, tasty berries. The lack of thorns meant that I had to work a bit harder to keep the deer away from the plants. It also made pruning back the spent canes much simpler.
May 11, 2016
Purchased
1 year ago