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.
stipulate (third-person singular simple present stipulates, present participle stipulating, simple past and past participle stipulated) 1  To require (something) as a condition of a contract or agreement. 2  To specify, promise or guarantee something in an agreement. 3  To acknowledge the truth of; not to challenge.