You learn something new everyday!!

daisyincrete Z10? 905feet/275 metres

2 years ago

I think I must have known this subconsciously, but it took this video to bring it home to me.

How to prevent black spot and mildew without spraying.

Gardening at home with Sarah | The Rose Garden in June - YouTube

Daisy

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gardengal48 (PNW Z8/9)

2 years ago

It is a nice idea to consider but it has NO scientific basis and is really just an anecdotal report of a method that seems to offer a solution.....but is very likely just a case of coincidence. I have grown Salvia microphylla 'Hot Lips' for years in close proximity to roses and have seen NO evidence that it slows, retards or prevents any fungal diseases. I have also not seen any evidence that any kind of salvia - even the very strongly scented common culinary sage, Salvia officinalis - has any antifungal effects on any plant type! Scent may deter insect pests but it has no effect on any plant pathogens.

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Comments (10)

seasiderooftop
2 years ago
Great video! Thanks for sharing @daisyincrete Z10? 905feet/275 metres
librarian_gardner_8b_pnw
2 years ago
Oh I love salvia! I only have a few planted, now I've got yet another a good reason to get more😊. One thing she didn't mention, likely because she's in England, but here in the states, salvia are a favorite of hummingbirds, too, which is why I started planting them. I really enjoy Sarah Raven's videos. Oh I'd love to tour her gardens. Thanks for sharing this.
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dianela7analabama
2 years ago
last modified: 2 years ago
Love her video and her roses and all those gorgeous salvias. Unfortunately unless your blackspot pressure is low to begin with it simply does not work. I have many of my roses under planted with salvia since lavender doesn’t grow here very well and they just completely defoliate without spraying =(. Maybe one day I will really find something organic that works, but so far only buying genetically resistant plants have worked besides the usual fungicide spraying.

It is always great to hesr what works for others.

One organic method that has really worked here for me here (not for fungus but for thrips and aphids) was buying pirate bugs and releasing them in my garden. Also we get a million of Chinese lady bugs overwintering in my old house. The past few springs after seeing huge aphid infestations I did nothing and the lady bug larva really cleaned them up quickly. The pirate bugs seemed to also remain enough to help with the thrips. So no more bug spraying here so far ( i dont have much midge or other stuff)
librarian_gardner_8b_pnw
2 years ago
I've been buying generically resistant roses too.
rifis (zone 6b-7a NJ)
2 years ago
Hello Sarah: Please do an update with the salvia/roses this August, and put it up on youtube.

All the stuff that makes its way here from your country seems to be filmed in June.
Sheila z8a Rogue Valley OR
2 years ago
Thank you, Daisy!
Vaporvac Z6-OhioRiverValley
2 years ago
It's great to hear from you daisy! I never have much luck with salvia , but My lavender seems to do okay if I plant it And it's own bit of soil.
rifis (zone 6b-7a NJ)
2 years ago
librarian_gardner_8b_pnw

I've been buying generically resistant roses too.

Me three! They’re less expensive and work just as well.
Ashley Smith zone 5a
2 years ago
last modified: 2 years ago
Yay a reason to buy more salvia! I have some seedlings started this Spring. I do wish the nachtvlinder she mentioned was hardy in my zone!

You learn something new everyday!!

gardengal48 (PNW Z8/9)

Comments (10)

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