Information on pruning shrubs

wexgardenerAugust 7, 2014

1.My guelder roses tips had to pruned due to disease tips but now that they have been pruned the top forms a darkened formation which spreads downwards from the cut is this normal or is it infection?i know that when cut a branch will a woody formation to seal the wound but how long and deep should this travel down from the point of cutting. charles de joly lilac shrub has some diseased leaves over kept under control with fungicide should I prune them off since the bush is deciduous should I wait until autumn for them to fall off and if I am to prune them off will the auxillary buds be stimulated to grow new leaves in their place.also should I deadhead the plant now or wait for next year blooming

Thank you for reporting this comment. Undo

This is the guelder rose branch

    Bookmark   August 7, 2014 at 6:25AM
Thank you for reporting this comment. Undo

Also if a blooming flower bud is removed from a blue chiffon shrub will it be replaced by new flowers
Picture of charles de joly lilac

    Bookmark   August 7, 2014 at 6:35AM
Thank you for reporting this comment. Undo
ken_adrian Adrian MI cold Z5

do not prune a lilac now ... full fall cleanup of dropped leaves is all i would do..

and i would spray at the proper time in spring for 'prevention' ... as compared to spraying after it appears ...

you confused me by calling a viburnum a rose ...

always remove dead stuff ... its dead.. there is no timing issue .. and learn to make a proper cut at live wood ....

as to your half dead things.. i would think that is improper pruning.. and leaving a stub.. that is dying back ...

what was the disease that caused you to give it a haircut????

you might learn a lot.. by googling: REJUVENATION PRUNING OF FLOWERING SHRUBS .... of which.. both of these are ...


    Bookmark   August 7, 2014 at 9:40AM
Thank you for reporting this comment. Undo
floral_uk z.8/9 SW UK

I agree with Ken that on the Viburnum you have cut in a bad place and the stem has died back. Make a pruning cut at a node i.e. where a bud, leaf of stalk joins a stem. That way new growth will occur. If you just cut across a stem there is no dormant bud there waiting to sprout and the stem will die back as far as the nearest available dormant bud.

    Bookmark   August 7, 2014 at 9:59AM
Thank you for reporting this comment. Undo

So I cut back to the point where the branch meets the stem? Just above any swellings present

    Bookmark   August 7, 2014 at 10:09AM
Sign Up to comment
More Discussions
Shot hole disease- Can my laurels be saved?
I recently purchased a new home with Otto Luyken cherry...
'Don's Dwarf' Wax Myrtle
For me, buying plants is like "hauling coal to...
Transplanting a lilac bush
I need some advice on transplanting a 7 foot tall European...
what's this on my Viburnum?
I have two otherwise healthy Viburnum 'Autumn Jazz'...
Converting Mature Escallonia Bush to Large In-ground Bonsai Tree Form
I have two Escallonia shrubs that are 20 years old....
Sponsored Products
Classic Biscuit Gift Basket - N/A
$130.00 | Horchow
Red Vanilla Nantucket 16-piece White Dinner Set
Casa Outdoor Rug
Grandin Road
Contemporary Right Angle Kitchen Faucet | Pull Out Sprayer
Lemon Cypress Standard in Clay Pot
$59.50 | FRONTGATE
Citterio 98 5pc Set - Iittala
$85.00 | HORNE
Brizo - Jason Wu for Brizo - Round Raincan Shower Head - 81375-BL
$247.68 | PlumbTile
Eiffel Tower Clock
$43.99 | Bellacor
© 2015 Houzz Inc. Houzz® The new way to design your home™