Horticultural Oil - Did I just kill my succulent collection?!
Taylor Price
4 years ago
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Meyermike(Zone 6a Ma.)
4 years agoTaylor Price
4 years agoRelated Discussions
Is neem oil superior to insecticial soaps and horticultural oils?
Comments (11)I'd dispute the contention that neem oil/extracts are more toxic than fatty acid-based insecticidal soaps. ANY substance, organic or not, can be toxic if applied in great enough concentrations. Neem has been used as an herbal remedy and dietary supplement by populations in its natural locale for centuries with documented beneficial effects. The big advantage to neem oil over other organic controls is its adaptability for numerous purposes, as both an insecticide and fungicide and as an effective control of other disease pathogens. There is a very scholarly article on the pros and cons of neem oil/extracts available online, however it requires membership to the site or payment to download and view. A google search with the key words "neem oil, harmful side effects" should turn it up. Otherwise the attached is a good, well-rounded treatise on this organic control. Here is a link that might be useful: Neem oil...See Morehorticultural oil on jade plant??
Comments (3)If the infestation is light, you are patient and bored, and your plants are of high-importance, I have done this with success: -70% Isopropyl (rubbing) alcohol -Cotton Swabs -Jar -Infested Plant -Patience Pour a decent amount of alcohol in jar. Saturate cotton swab with alcohol. Dab scale with alcohol swab and rub out scale. The alcohol will dissolve the scales' waxy outer protective covering. If the insect dislodges and adheres to swab, just drown it in the jar. This will also keep things sterile. Continue until population is nearly diminished. Routinely check for re-infestation. If it is a large plant growing outdoors, a strong jet of water from garden hose may work, but may cause leaves to fall. Scale are notoriously hard to rid off of plants because of their waxy protective coating. This barrier keeps many chemicals from entering and thus killing the insect. Alcohol more or less dissolves the outer waxy coat and instantly dehydrating the insect. Horticultural oil (Neem oil and others) dissolves the outer membrane of succulent plants' tissues and shouldn't be used. Always be sure your plant is watered, fertilized, and growing well before applying any chemicals. Best of luck!...See MoreConifers & Horticultural Oil Spray
Comments (12)mites can also be taken care of.. in the ordinary backyard with a stream of water ... why in the world would you need anything else ... just because you have it???? i am a bit confused .. just BSing here ... i would never argue with +om on tree stuff ... how an oil works.. prophylactically .... i was assuming the egg part ... which is technically prophyc. for the adult ... but i dont understand how covering a branch .. lets say ... with oil would stop some bug in a few months from now, when winter passes ... sulphur for fungicide.. i should have remembered that from my rose growing 20 or 30 years ago ... you know.. back in the day ... first house.. single.. money for any whim.. mom's name rose .. family heritage of having roses since i was a kid.. got a little carried away.. and started collecting hybrid T's .... i was quite the chemical warrior ... spraying and fert'ing them every 4 to 6 weeks.. i still have a bin of all the chems .... get married.. moved.. roses dont grow in sand, so that collection was terminated ... and i decided .. with the kids.. to go spray free ... and you know what... spraying things is a waste of time.. money.. effort.. and an affront to your health ... plagues come and go.. and frankly.. little if anything dies if you simply dont spray ... frankly ... its the most organic method.. and if things get too ugly.. or do in fact die.. so be it.. it is an opportunity to get something that isnt inherently sickly .... why struggle with carp plants ... OP ought to wonder.. why his/her ' Dogwood, Hepticodium and other trees a couple weeks ago with sulpher and oil' need so much care??? have fun no matter what you do ... after all.. it is your garden .. and be safe ... but think about why you need be doing this.. and why you are thinking about expanding your spraying to include other things ... ken...See MoreWhat’s killing me?!? Desperate to save my succulents. Help!
Comments (6)Thank you for your comments! Since posting this I have discovered the source of the damage. lisaSFbay9b- i was using a diluted 70% rubbing alcohol at the time i first started to notice the damage- from the online research i did I was convinced it was either chemical burn or edema from overwatering. This may indeed have been the case for a few of them; after i completely stopped watering or spraying a few did indeed start to improve (on their new growth). But after scouring and scouring the interwebs I got a tip that turned out to be true: THRIPS!!!!! These nasty, DEVASTATING invaders, previously feared primarily by farmers are becoming a more and more common problem amongst home gardeners. Because it took me so long to diagnose the problem literally every plant on my property, inside and out, is infested. I am slowly trying to eradicate the little devils but have considered burning my house down and starting over more than i would like to admit. I have a little video of one, not sure if i can post, I’ll try to steal a good still from it if I can’t. If you or someone you love might be suffering a thrips invasions quarantine everything and contact your local nursery for spray and root drench options!...See Morenanzjade z5 MA
4 years agoTaylor Price
4 years agoTaylor Price
4 years agoKaren S. (7b, NYC)
4 years agolast modified: 4 years agorina_Ontario,Canada 5a
4 years agolast modified: 4 years agoPagan
4 years ago
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rina_Ontario,Canada 5a