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Member Since 16 Nov 2012
Offline Last Active Jul 14 2020 06:50 PM
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Topics I've Started

Southern blight on hosta

14 July 2020 - 06:50 PM

Last  year a well-established clump of Praying Hands Hosta began turning yellow, then brown and dying off.  The leaves were mushy at the base.  I did not have any testing done, but treated with a fungicide after cutting the hosta back at the soil.
I sterilized my tools and left it alone.  This spring the hosta came back so I thought my actions worked until we hit these high temps in northern Illinois.  The yellow/brown, mushy stems are back.
 
If this is Sclerotium or any other difficult fungus/disease, I will dig the hosta and throw it away.  That said, do I need to solarize the soil?  Or perhaps just find a different plant not affected by this problem?  I clearly did not fix the problem with my fungicide last year.
thank you,
 

C.G.


Make spring cuts in fall?

15 May 2020 - 09:38 AM

Since I’m doing spring clean up I have some thought for next fall clean up. Can the deutzia and spirea in the front be cut back hard in the fall. If so to the ground and how often. Also can the hellebores be cut back to the ground in the fall rather than the spring.

- S.L. -


Spreading Hollytone

15 May 2020 - 09:37 AM

I think I’ve read that you recommend Hollytone as an appropriate fertilizer for a lawn. What setting should I use for a Scott’s Rotary Spreader to apply the Hollytone? The bag only cites settings for new and established garden beds and shrubs.

Thank you

- S.S. -


Ants

15 May 2020 - 09:35 AM

I have ant hills that are over a foot high.  #1 are ants good for the flower garden?  #2 How can I get rid of them?

 

I have bamboo, should the bed be dug to remove?

 

Thanks,

 

- K.S. -

 


cut lavender, really?

15 May 2020 - 09:33 AM

In a recent video (March?) I thought I picked up that you cut your lavender, butterfly bushes, and caryopteris all right down to the ground.  Is that correct?  Even the lavender?

- K.N. -