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Hoary Alyssum in the GardenTags plant encyclopedia

Berteroa incana

 

Hoary Alyssum

Berteroa incana, commonly known as hoary alyssum, is a plant in the mustard family that is most often found in dry, disturbed growing areas. It is native to parts of Europe and Asia, and has become a recognized invasive species in North America. Hoary alyssum blooms every year, producing clusters of small white flowers on long green stalks. Although generally non-toxic to humans and pets, it contains a compound that it toxic to horses if ingested.

 
plant Features
  • Hoary Alyssum likes full sun to partial shade

    Full sun to partial shade

  • Hoary Alyssum likes occasional watering

    Occasional watering

  • Hoary Alyssum is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Hoary Alyssum likes free draining

    Free draining

 
plant information

Common name

Hoary Alyssum

Latin name

Berteroa incana

type

Biennial or short-lived perennial

family

Brassicaceae

ph

6.0 - 10.0 Acid - Neutral

  • Light

    Hoary Alyssum likes full sun to partial shade

    Full sun to partial shade

  • Frost

    Hoary Alyssum is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Soil

    Hoary Alyssum likes free draining

    Free draining

  • Water

    Hoary Alyssum likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Hoary Alyssum is 0.80meters x 0.80meters 0.80 M 0.80 M

Berteroa incana

Berteroa incana, commonly known as hoary alyssum, is a plant in the mustard family that is most often found in dry, disturbed growing areas. It is native to parts of Europe and Asia, and has become a recognized invasive species in North America. Hoary alyssum blooms every year, producing clusters of small white flowers on long green stalks. Although generally non-toxic to humans and pets, it contains a compound that it toxic to horses if ingested.


Blooming

From Early Spring TO Mid Autumn

Hoary alyssum blooms annually from the early springtime months well into the autumn. Its white blooms grow in clusters, and have four petals on each flower head, although notches in each petal allow them to resemble eight.

 

Disperse Seeds

From Early Spring TO Late Spring

Sow seeds in dry soil, preferably in a contained flowerbed away from other plants.

 
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