Marionberry Plants

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  1. Brown Marionberry Fruit
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  3. Marion Berry Plants
Asked by Anonymous on June 20, 2013
Brown Marionberry Fruit

My two year old Marionberry plants are producing a lot of fruit, but a large portion of the berries have gone from a beautiful red shade to a dead brown! Or, half the fruit is a beautiful purple with brown mixed in, making the fruit inedible. Any ideas?

ANSWERS
AnnsGreeneHaus

It's possibly anthracnose. This article tells how to deal with it: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberries-not-fruiting.htm

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Asked by Dianed1971 on October 7, 2015
Marionberries

Does fruit grow on new or old wood? How do I prune them, if any? At the end of the fruit season, do I cut off the long straggly vines or weave them into the trellis? I know to prune the vines that produced this year, but do I have to leave all that length?

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

The berries form on 2 yr old canes.
To prune remove all but 6 to 12 of the healthiest new canes from each plant, cutting the canes back to the ground.
Wrap the remaining canes around the support.
Here is a link with more information.

https://www.gardeningknowhow.com/edible/fruits/blackberries/what-are-marionberries.htm

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Asked by dogpaws on November 27, 2017
Marion Berry Plants

The lower leaves are turning yellow. This is my first attempt growing these plants, they are in 35gal soft pots,I live on the Oregon Coast so it is wet to say the least. I made a spray for my roses with mild soap, drop of mineral oil and water for fungus/black spot could this also help the berries?
Any advice would be welcome.

ANSWERS
BushDoctor
Certified GKH Gardening Expert

Berries such as this require VERY large root zones. They will do ok in those cloth pots, but even then they tend to require a good deal of maintenance. Even though it stays moist in your area, it is good to keep in mind that those pots are not designed to hold water in any sense. If there is a day that it does not rain, you may find yourself watering these twice a day.

Also, because of the design of the cloth pots, this means nutrients can be quickly drawn out of the soil. Not to mention those plants are heavy feeders. This appears to be a mild deficiency, which can be corrected be applying liquid fertilizers every two weeks, or a slow release once every 2 or 3 months.

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