Clematis forum: Late winter pruning of jackmanii clematis

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Name: Lisa Ely
Pataskala, Ohio (Zone 6a)
lisaely
Feb 20, 2016 7:35 PM CST
I have a 10 year old clematis that is never been pruned because it never needed it it is in a raised bed and goes up a lamppost. I live in Ohio 6a and last winter we had a terrible cold snap after a January warming that killed many perennial plants and trees. I now have a very Twiggy base to my plant. I have read several conflicting advice comments about pruning. The most common is to prudent 12 to 18 inches from the ground this will leave no flowers this year and we hope to put the house on the market this summer obviously the gardens are a big plus so I'm just considering not pruning and then planting a medium annual or perennial around the base. Any thoughts? Thanks ahead of time
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier
pirl
Feb 20, 2016 9:17 PM CST
I prune all of my Jackmanii clematises (about 4 or 5 of them) anytime between late November and March. I've never had a year when they didn't flower. You can (and should) be cutting them back to 12" every year in February to March.
March: Thumb of 2016-02-21/pirl/339390


June 11: Thumb of 2016-02-21/pirl/69b7e8

Name: Jason
Gold Bar, Washington (Zone 8b)
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riverman123
Feb 21, 2016 11:36 AM CST
I agree with Pirl... we just cut ours back to two feet off the ground a week ago. it runs up a trellis/fence (pic below), and rises above a few large Hydrangeas, which is why we don't cut them lower to the ground. new buds were beginning to swell so we had a very good visual as to where to cut. go out and take a look at the stems about a foot off the ground. or maybe wait a few weeks to do so. look for a good concentration of swollen buds on the lower stems. the more the better. cut just above them.

not sure what you mean by, "this will leave no flowers this year". it shouldn't be flowering right now anyway and Jackmanni clematis only bloom on this coming years new growth. if you were to cut it back now, or in a few weeks, you can expect it to be in full flower by late June or early July.
Thumb of 2016-02-21/riverman123/582430

[Last edited by riverman123 - Feb 21, 2016 11:38 AM (+)]
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Name: Lisa Ely
Pataskala, Ohio (Zone 6a)
lisaely
Feb 28, 2016 1:25 PM CST
In another gardening forum I found the information that if you prune them back to 12 inches that they will not flower that year but will in the following years. I assume that they are referring to pruning below any buds. That is why I was confused and posted here. I honestly have not pruned it in the 10 years we have been living here and it had been planted before we moved in by someone else and always had blossoms from the base to the top of the plant. It is just the hard cold snap we had last year that occurred after buds had come out that killed off many plants and left the bottom of my clematis Bare
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier
pirl
Feb 28, 2016 3:49 PM CST
It's totally untrue. I will take photos of the Jackmanii I pruned right down to the earth and I'll continue to take photos so you can see the speed at which it grows here in May. Often I have had to prune it back by 8 to 12' during August.

We've owned ours and grown them here for more than 20 years so do not be afraid to prune yours. They gain strength from being pruned.
Name: Anna
North Texas (Zone 8a)
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Texas Clematis Garden Ideas: Level 1 Celebrating Gardening: 2015
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canadanna
Mar 11, 2016 7:20 PM CST
Do you know what type of clematis it is? I agree pruning is good! Maybe would slower if it is a type II
Name: Anna
North Texas (Zone 8a)
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Texas Clematis Garden Ideas: Level 1 Celebrating Gardening: 2015
Image
canadanna
Mar 11, 2016 7:22 PM CST
OOPS..just read the title of your post...I heartily agree with a severe prune. You can fertilize with good quality compost to make it even happier.
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier
pirl
Mar 11, 2016 7:23 PM CST
Anna - Jackmanii is in the title so I assumed that was the clematis in question.
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier
pirl
Mar 11, 2016 7:23 PM CST
Yes! Compost, manure and Epsom Salt will just make it happier.
Name: Rosie
HILLSBOROUGH, NC (Zone 7b)
If it sparkles - I'm there!
Region: North Carolina Bookworm
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MISSINGROSIE
Mar 11, 2016 8:02 PM CST
I should not admit this.... Snakes hide in that vine and I am terrified of the trellis and its surrounding area. There is a gutter there and the snakes go up and down it to harvest the birds nesting in the gutters. SO...I try to get in and out -- quick. Mid winter..when the leaves are gone and I can see what I am doing, I get in there and clip and rip...right to the ground. Every year it comes back faithfully. Even if yours died off and looks a little sparse at the bottom, I bet it will fill in. I treat ours poorly and if it returns -- can't be all that finicky.


Thumb of 2016-03-12/MISSINGROSIE/30ec7c
Thumb of 2016-03-12/MISSINGROSIE/b246cf
Thumb of 2016-03-12/MISSINGROSIE/58f0fb

Don't squat with yer spurs on!

People try to turn back their "odometers." Not me. I want people to know 'why' I look this way. I've traveled a long way and some of the roads weren't paved
[Last edited by MISSINGROSIE - Mar 11, 2016 9:34 PM (+)]
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Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
Plant Identifier
pirl
Mar 11, 2016 8:24 PM CST
Snakes would keep me far away!
Name: Rosie
HILLSBOROUGH, NC (Zone 7b)
If it sparkles - I'm there!
Region: North Carolina Bookworm
Image
MISSINGROSIE
Mar 11, 2016 8:42 PM CST
UGGS..UGGS give me sense of security from knee down. Nothing could bite thru.. I spray and no ticks go near. Won"t soak..warm in winter and ( suprisingly ) cool in summer. Good solid footing too. Brush dirt off. Easy on and off.

From the knee up...vulnerable..that is why
I get in...do my damage ..and get out. Those snakes like hanging near the fountainhead and stream...( in front of the trellis ) .frog snacking.
Don't squat with yer spurs on!

People try to turn back their "odometers." Not me. I want people to know 'why' I look this way. I've traveled a long way and some of the roads weren't paved
Name: Marie Kapuscinski
New Jersey (Zone 7b)
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makap
Mar 13, 2016 7:54 AM CST
I had to move mine one year due to them putting in a new water line. But I never got it planted again that fall. It stayed out all winter , with a good size dirt ball, and when I planted it int the spring it came up nice and bloomed.
Name: Anna
North Texas (Zone 8a)
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Texas Clematis Garden Ideas: Level 1 Celebrating Gardening: 2015
Image
canadanna
Mar 13, 2016 8:33 AM CST
Snakes Crying Are they poisonous? I am trying to decrease my anxiety when I see a harmless rat snake.
Name: Rosie
HILLSBOROUGH, NC (Zone 7b)
If it sparkles - I'm there!
Region: North Carolina Bookworm
Image
MISSINGROSIE
Mar 13, 2016 12:02 PM CST
In that trellis I have seen only rat and black.
There is also a beautiful deep lima green colored snake in the area.
We have plenty of copperheads ( poisonous ) but have not seen in that area.
Don't squat with yer spurs on!

People try to turn back their "odometers." Not me. I want people to know 'why' I look this way. I've traveled a long way and some of the roads weren't paved

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