Rock Gardens - a Picture Quiz about Plants to Grow in Rockeries

Gardening Quiz - Alpines - Alpines 2 (Questions)

If you love plants but are not too keen on all the digging, hoeing and weeding that often goes with them then maybe rock plants are for you - all the joy of gardening but in miniature!

Rockeries come in all shapes and sizes from the huge rambling banks of plants you see in botanical gardens to the tiniest portable containers. There are rock plants to suit all purposes and all levels of enthusiasm. This quiz will test your knowledge of some of the more popular subjects and tell you a little about the more unusual ones.

To see a larger image, click on the picture.

This species of Phlox is one of the best for rockeries. What is its name?

[ ]	Bertii
[ ]	Charlesii
[ ]	Douglasii
[ ]	Erecii

The shape of the flower gives a clue to the common name of this plant. What is it?

[ ]	Bellflower
[ ]	Domeflower
[ ]	Cupflower
[ ]	Saucerflower

What is the common name of this plant?

[ ]	Houseleek
[ ]	Kill-me-not
[ ]	Seashell plant
[ ]	Shedroof plant

Where in the UK is the national collection of Saxifrages held?

[ ]	Cambridge
[ ]	Kew
[ ]	Oxford
[ ]	Wisley

This is Sedum Oreganum and the flowers are similar to those on Sedum Acre. Why is Sedum Acre NOT recommended for use in gardens?

[ ]	It is expensive
[ ]	It is invasive
[ ]	It is poisonous
[ ]	It is protected

Which of the names below is not used for Armerica Maritima

[ ]	Sea anemone
[ ]	Sea pink
[ ]	Sea thrift
[ ]	Thrift

Which plant nutrient makes the flowering stems of plants like the Iceland Poppy grow too long and leggy?

[ ]	Nitrogen
[ ]	Magnesium
[ ]	Phosphorous
[ ]	Potassium

Dianthus alpinus along with many other rockery plants are said to be suitable for xeriscaping. Where is this most appropriate?

[ ]	Cold climates
[ ]	Hot climates
[ ]	Dry climates
[ ]	Wet climates

To which of the following plants is Lewisia closely related?

[ ]	Papaver
[ ]	Phlox
[ ]	Portulaca
[ ]	Pratia

10.

What is the common name for Silene Acaulis

[ ]	Alpine totara
[ ]	Creeping dogwood
[ ]	Moss campion
[ ]	Silver bush

Gardening Quiz - Alpines - Alpines 2 (Answers)

This species of Phlox is one of the best for rockeries. What is its name?

[ ]	Bertii
[ ]	Charlesii
[x]	Douglasii
[ ]	Erecii

The shape of the flower gives a clue to the common name of this plant. What is it?

[x]	Bellflower
[ ]	Domeflower
[ ]	Cupflower
[ ]	Saucerflower

Most Campanula species are known as Bellflowers. This particular variety is often called the Carpathian bellflower

What is the common name of this plant?

[x]	Houseleek
[ ]	Kill-me-not
[ ]	Seashell plant
[ ]	Shedroof plant

Where in the UK is the national collection of Saxifrages held?

[x]	Cambridge
[ ]	Kew
[ ]	Oxford
[ ]	Wisley

The national collection is kept at the Cambridge University Botanic Gardens

This is Sedum Oreganum and the flowers are similar to those on Sedum Acre. Why is Sedum Acre NOT recommended for use in gardens?

[ ]	It is expensive
[x]	It is invasive
[ ]	It is poisonous
[ ]	It is protected

Tiny pieces broken off Sedum Acre and spread by animals, birds or the wind will take root and grow almost anywhere. You have been warned!

Which of the names below is not used for Armerica Maritima

[x]	Sea anemone
[ ]	Sea pink
[ ]	Sea thrift
[ ]	Thrift

Which plant nutrient makes the flowering stems of plants like the Iceland Poppy grow too long and leggy?

[x]	Nitrogen
[ ]	Magnesium
[ ]	Phosphorous
[ ]	Potassium

By keeping plants such as this 'deprived' of nitrogen you can ensure that they stay compact in the rock garden

Dianthus alpinus along with many other rockery plants are said to be suitable for xeriscaping. Where is this most appropriate?

[ ]	Cold climates
[ ]	Hot climates
[x]	Dry climates
[ ]	Wet climates

Xeriscaping is a form of gardening using plants that never need supplementary irrigation

To which of the following plants is Lewisia closely related?

[ ]	Papaver
[ ]	Phlox
[x]	Portulaca
[ ]	Pratia

Both Lewisia and Portulaca belong to the purslane family

10.

What is the common name for Silene Acaulis

[ ]	Alpine totara
[ ]	Creeping dogwood
[x]	Moss campion
[ ]	Silver bush