Although the stalks of this plant are perfectly edible, the leaves are poisonous. What's the name of this perennial?
Rhubarb
The first drug is one that has been in use for centuries as a painkiller. It was originally taken as a powder made from the bark and leaves of a willow tree but is more usually taken as a tablet now. Which drug am I describing?
Aspirin
Goddess of the rainbow, I; Am graceful in the spring; My petals droop like butterflies; I lend the color to your eyes; My praises poets sing.
Iris
This tree is a member of the rose family, has the Latin name "Malus domestica" and its fruit is enjoyed in many forms including the alcoholic drink scrumpy. What is it?
Apple
If I am born in June what is my birthstone?
Pearl
What fragrant, flowering bush, considered the national flower of Indonesia and The Philippines, has poisonous berries?
Jasmine
Diamorphine is very powerful analgesic obtained from the opium poppy but it is probably better known by another name which was originally a trade name. What is this other name?
Heroin
My name means "star"; my flowers bright; Are shaggy as a lion; Like daisy and chrysanthemum; My blossoms thrive in gentle sun; I am the cheerful kind.
Aster
Highly prized for its wood-working qualities and dark-coloured timber, this is a large tree producing edible seeds with a brain-like appearance. Which tree is it?
Walnut
If I am born in December what is my flower?
Narcissus
Although festive around the Christmas holidays, the white berries of what parasitic plant are considered toxic for consumption?
Mistletoe
Capsaicin cream is a fairly recent treatment for pain, particularly arthritis pain and nerve pain, and has also been used to help people who suffer from bad itching. The active ingredient comes from a plant that is found in our kitchens but do you know what it is?
Chili Peppers
My name will speak of cleanliness; I never flaunt my hues; My scent redolent of an age; When blooms in linen chests were laid; Then I was always used.
Lavender
This genus consists of shrubs and small trees. The flowers form large clusters of small white or cream-coloured flowers; those from the black-berried variety of the tree (Sambucus nigra) are used to produce a cordial. Which tree is it?
Elder
If I am born in April what is my birthstone?
Diamond
Atropa belladonna, a plant with dark berries, causes hallucinations and...well...death. What is its more common name?

Nightshade
The bark of Cinchona succiruba is the source of a very widely used drug, first used in European medicine in the 1600s and still in use today. Which drug is it?
Quinine
I am shy; I live in shade; My blooms are fine and small; My name's a colour, loved by most; Of tiny blooms I am the toast; My scent enchanting all.
Violet
What tree is this? It is deciduous, bush-like, produces catkins and the nuts are edible, often being used in confectionery.
Hazel
If I am born in January what is my flower?
Carnation
Only one of the seeds of this plant can be a lethal dose, even though the oil derived from it is used for medicinal purposes...and as a lubricant. What's the poisonous plant? 
Castor Plant
Yams are the source of a group of chemicals that are very important to human medicine as they are used to treat a wide range of conditions. This group of medicines derived from yams are called what?
Steroids
My flower so small is rarely seen; My leaves share holly's song; I twine, I cling; And patterns bring; My grip is firm and strong.
Ivy
Producing an edible seed sometimes called a marron, this deciduous tree is also prized for its wood. Grown from seed, it can take more than 20 years before it bears fruit.
Sweet Chestnut
If I am born in May what is my flower?
Lily of the Valley