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Garlic Mustard Alliaria petiolata 

 
 
Wildlife GardenWildlife garden plant
Attracts BeesBees are attracted to this plant
Attracts ButterfliesButterflies are attracted to this plant
Attracts HoverfliesHoverflies are attracted to this plant
Biennial Life CycleBiennial life cycle
Cross-Shaped FlowersCross-shaped flowers
White FlowersWhite flowers
4 Petals4 petals
Apr-Jun Flowering
period
Heart-Shaped LeavesHeart-shaped leaves
Round-Toothed LeavesRound-toothed leaves
Round StemRound stem
Tap RootTap root
100cmMaximum height
 
 
  Main image of Garlic Mustard
© 2021 Adrian Briggs
 

Garlic Mustard is a native biennial plant of the UK, typically found growing in woodland, hedgerows and waste ground, to a mature height of up to 100cm.

Garlic Mustard takes its name from the smell of garlic given off when the plant's leaves are crushed, and its identity as a member of the same family as mustard. The plant is unrelated to the culinary garlic (Allium sativum).

Botanic classification and naming: Garlic Mustard is a member of the Cabbage (Brassicaceae) family. The genus name 'Alliaria' identifies the plant as a Alliaria Mustard and its species name 'petiolata' means 'plant with leaf stalks'.

Concerns: Garlic Mustard can be difficult to control as each plant can produce thousands of seeds, which can remain viable for many years and have a very high germination rate. This has caused particular problems in countries where the plant has been introduced and there are no natural predators to keep numbers in check.

Benefits: Garlic Mustard is mainly pollinated by bees and flies. It also provides nectar for butterflies. The caterpillars of the Orange Tip butterfly feed on its flowers and seed pods and many insect larvae also feed on its leaves.

Benefits to wildlife are also indicated with orange icons in the plant profile bar at the top.

 

 
Flower of Garlic Mustard

© 2021 Adrian Briggs

 

Flowers:
Garlic Mustard usually flowers between April and June.

Flower colour:

Flower Colour White

White

Flower shape:

Flower Shape  Cross

Cross

Petals:

Petal Number =  4

4

Leaf of Garlic Mustard

© 2021 Adrian Briggs

 

Leaves:

Leaf Shape:

Leaf Shape is Heart

Heart

Leaf Margins:

Leaf Margin is round-toothed

round-toothed

Stem of Garlic Mustard

© 2021 Adrian Briggs

 

Stem and Roots:

Stem shape:

Stem Shape is Round

Round

Root type:

Root Type is Tap

Tap