13 May 2020

Picture quiz: Test your Kew plant knowledge

How well do you know the plants of Kew? Take our quiz to find out.

By Katie Avis-Riordan

Macro shot of flower with white petals and circular centre - what is it?

Bored at home? Take our quiz all about the plants of our Gardens.

You could even use these questions for your own virtual pub quiz to test your friends and family. 

Have a go at these 15 fun questions and find the answers at the bottom of the page. Good luck!

1. Our tallest tree is this coastal redwood (Sequoia sempervirens). What is its height?

A. 60 metres

B. 40 metres

C. 100 metres

D. 30 metres

Branches of a redwood at Kew Gardens
Kew's tallest tree in Redwood Grove, Ellen McHale © RBG Kew

2. Dubbed the ‘corpse flower', this is one of the smelliest plants at Kew. What is it?

A. Eastern Cape giant cycad (Encephalartos altensteinii)

B. Low’s pitcher plant (Nepenthes lowii

C. Chilean blue crocus (Tecophilaea cyanocrocus

D. Titan arum (Amorphophallus titanum

The smelliest plant at Kew
The smelliest plant at Kew © RBG Kew

3. Can you name the genus of this flowering plant, seen here close up?

A. Echinacea

B. Rhododendron

C. Phlox

D. Rosa

Macro shot of flower with white petals and circular centre - what is it?
Macro shot of flower © RBG Kew

4. In which of Kew's glasshouses would you find the hairy pink banana (Musa velutina)?

A. Temperate House

B. Waterlily House

C. Palm House

D. Davies Alpine House

Hairy pink banana (Musa velutina)
Hairy pink banana (Musa velutina) © RBG Kew

5. Our Japanese pagoda tree (Styphnolobium japonicum) is as old as our botanic garden. When was it planted here?

A. 1690s

B. 1760s

C. 1850s

D. 1900s

Japanese pagoda tree (Styphnolobium japonicum) at Kew
Japanese pagoda tree (Styphnolobium japonicum) © RBG Kew

6. Our rare Encephalartos woodii is the loneliest plant at Kew. Which one of our Collections is it part of?

A. Fern

B. Bonsai

C. Cycad 

D. Bromeliad

Encephalartos Woodii
Encephalartos woodii is the loneliest plant at Kew © RBG Kew / Jeff Eden

7. What native tree species do these leaves belong to?

A. English oak (Quercus robur)

B. Aspen (Populus tremula)

C. Ash (Fraxinus excelsior)

D. Crab apple (Malus sylvestris)

Leaves and acorns of tree
Leaves of tree © Igor Sheremetyev

8. In which zone of our Princess of Wales Conservatory does this golden barrel cactus (Echinocactus grusonii) live?

A. Carnivorous

B. Wet tropical

C. Desert

D. Tropical mountain

Golden barrel cactus (Echinocactus grusonii)
Golden barrel cactus (Echinocactus grusonii), Katie Avis-Riordan © RBG Kew

9. How does this round-leaved sundew catch its insect prey?

A. Snap trap

B. Slippy substance on tentacles to slide insect into pitcher

C. Pressure mechanism to suck insect in

D. Sticky mucus on tentacles

Round-leaved sundew (Drosera rotundifolia) with sticky red round leaves.
Round-leaved sundew (Drosera rotundifolia) © Shutterstock/Annaev

10. How wide can the pads of our giant Amazon waterlilies (Victoria amazonica) grow?

A. 3 metres

B. 10 metres

C. 1 metre

D. 7 metres

Victoria Amazonica waterlily in the Princess of Wales Conservatory
Victoria Amazonica waterlily, Princess of Wales Conservatory © RBG Kew

11. Which tree grows these red fruits?

A. Rowan (Sorbus aucuparia)

B. Yew (Taxus baccata)

C. Juniper (Juniperus communis)

D. Holly (Ilex aquifolium)

Red fruits on a tree
Red fruits on a tree © RBG Kew

12. Can you name these beautifully colourful flowers?

A. Roses 

B. Tulips

C. Coneflowers

D. Peonies

Spring flowers in bloom at Kew
Spring flowers in bloom at Kew © RBG Kew

13. How many different species of bamboo grow in our Bamboo Garden?

A. 5

B. 20

C. 80

D. 130

Bamboo garden at Royal Botanic Gardens, Kew
Bamboo Garden, RBG Kew

14. Where is the native endemic region of our Wollemi pine (Wollemia nobilis)?

A. Russia

B. Australia

C. Canada

D. Brazil

Wollemi pine (Wollemia nobilis)
Wollemi pine (Wollemia nobilis), Ellen McHale © RBG Kew

15. Where in our Gardens can you find a carpet of bluebells in spring?

A. Natural Area

B. Great Broad Walk Borders

C. Queen’s Garden 

D. Mediterranean Garden

Bluebells blooming in front of Queen Charlotte's Cottage
Bluebells surrounding Queen Charlotte's Cottage © RBG Kew

Answers

1. Our tallest tree is this coastal redwood (Sequoia sempervirens). What is its height?

B. 40 metres

Learn more about our redwoods

2. Dubbed the ‘corpse flower', this is one of the smelliest plants at Kew. What is it?

D. Titan arum (Amorphophallus titanum

Discover the secrets of titan arum

3. Can you name the genus of this flowering plant, seen here close up?

A. Echinacea

See the other plants in our Great Broad Walk Borders

4. In which of Kew's glasshouses would you find the hairy pink banana (Musa velutina)?

C. Palm House

Watch our film on the pink banana

5. Our Japanese pagoda tree (Styphnolobium japonicum) is as old as our botanic garden. When was it planted here?

B. 1760s

Learn more about our tree collection 

6. Our rare Encephalartos woodii is the loneliest plant at Kew. Which one of our Collections is it part of?

C. Cycad

Read the story of Encephalartos woodii

7. What native tree species do these leaves belong to?

A. English oak (Quercus robur)

Discover why leaves change colour in autumn

8. In which zone of our Princess of Wales Conservatory does this golden barrel cactus (Echinocactus grusonii) live?

C. Desert

Find out about this unique glasshouse

9. How does this round-leaved sundew catch its insect prey?

D. Sticky mucus on tentacles

Swot up on sundews

10. How wide can the pads of our giant Amazon waterlilies (Victoria amazonica) grow?

A. 3 metres

Read about how we grow our giant waterlilies

11. Which tree grows these red fruits?

B. Yew (Taxus baccata)

Find out how plants use their fruits for seed dispersal

12. Can you name these beautifully colourful flowers?

B. Tulips

See a rainbow of flowers in our Gardens

13. How many different species of bamboo grow in our Bamboo Garden?

D. 130

Find out more about our Bamboo Garden

14. Where is the native endemic region of our Wollemi pine (Wollemia nobilis)?

B. Australia

Learn some facts about Wollemi pines

15. Where in our Gardens can you find a carpet of bluebells in spring?

A. Natural Area

Virtually tour the bluebells at Kew

Your score

Tally up your score out of 15 to see if you're an expert or amateur...

11 or above: You're a Kew plant genius!

6 to 10: You're pretty proficient in plants

1 to 5: Good effort but your knowledge needs some nurturing

0: Definite room for growth

Let us know how you did on our FacebookTwitter or Instagram.

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