For hallucinogenic effects, the blossoms are collected, aged in a sealed jar for 10 days, dried, and rolled into cigarettes. Smoke is inhaled and held. One cigarette produces relaxed feelings for 2 hours. Relaxation is deepest during 2 hours and is followed by mental alertness and increased awareness of color without hallucinations. Usually no undesirable side effects or hangover.
Some persons experience a mild headache immediately after smoking.
Broom flowers are extremely toxic when ingested. Has heart stimulating properties like digitalis.