This popular springtime flower can actually be toxic if ingested in large quantities and can be particularly harmful to cats, dogs and horses. The bulb of the tulip contains glycosides and alkaloids that can cause nausea, dizziness and abdominal pain. Severe poisoning can lead to convulsions and possibly death.
What is the effect of vinegar on plants? A: Vinegar is an acidic solution that removes the waxy coating on a plant's foliage, leaving it vulnerable to drying out. Low concentrations of vinegar burn only the foliage, leaving the roots alone to regenerate when possible. Stronger concentrations can burn the plant all the way to the roots. Continue Reading.
Horticultural vinegar (20% acetic acid) can be used to spot spray dandelions. Kitchen grade vinegar is not an effective herbicide, its acetic acid concentration is only 5%. The acetic acid concentration needs to be at least 20% to be an effective natural organic weed control.Horticultural vinegar will only kill dandelion foliage-not the taproot-new plants will return from the taproot.Vinegar is also non-selective, take care to spray only weed foliage because it will kill any foliage that you spray-including your grass!orticultural vinegar will only kill dandelion foliage-not the taproot-new plants will return from the taproot. Vinegar is also non-selective, take care to spray only weed foliage because it will kill any foliage that you spray-including your grass!