1/2 to 1 teaspoon per cup is great for this tea, with boiled water and a steeping time of 3-5 minutes.

Passionflower, Chamomile, Peppermint, Lemongrass, Rose Petals, and Blue Peaflower
Passiflora incarnata, Matricaria chamomilla, Mentha × piperita, Cymbopogon citratus, Rosa spp., Clitoria ternatea

Sedation and medicines: Passionflower & chamomile can cause drowsiness. Take care with sedatives / anxiolytics / pain medicines / alcohol. Feeling drowsy? Do not drive or operate machinery.

Pregnancy and breastfeeding: Avoid unless advised by a doctor. Passionflower and lemongrass data are limited during pregnancy; Chamomile is also usually advised.

Reflux and gallbladder: Peppermint worsens acid reflux and is not recommended in patients with significant gallbladder disease - take lightly if symptomatic.

Blood pressure, blood sugar, and anticoagulants: blue pea flower lowers blood pressure and affects clotting slightly. Lemongrass might influence glucose and pressure. Look out for: antihypertensives, diabetes medications and anticoagulants/antiplatelets - stop two days before surgery unless your physician says otherwise.

Allergies: chamomile is a member of Asteraceae; daisy family; Avoid if allergic to ragweed/daisy-family plants. Refrain if an adverse reaction occurs.

General: Herbal teas support but not replace medical care. For chronic symptoms seek professional advice.