1 Give trimmed plants a thorough soaking and a boost with a high-potash fertiliser, such as tomato feed. 2  Geraniums are fairly trouble free although they can be attacked by vine weevil larvae, slugs and snails. 3  Also, in dry conditions, they may suffer from powdery mildew.
The stipula is a scale which forms the future bud, and is situated at the insertions of the leaf. - The thorn, acculeus, is a sharp brittle point, which is so slightly fastened to the plant, as to be taken off without tearing the other parts.
Stimulants are a type of drug that alters activity within the central and peripheral nervous systems. Most stimulants have an effect on blood pressure, heart rate, and alertness. Some drugs within this category have immense therapeutic value, while some have no clinical application. 1  Types of Stimulants.