In this Gardener's HQ guide, we'll explore cultivating Alyssum plants in your garden, indoor spaces, and other settings.
The common names for the Hardy perennial and annual Alyssum plant genus include Gold-dust, Basket of gold, Sweet Alyssum, and Madwort.
They usually flower in the spring or summer.
Alyssum are low growing plants. Some Gold-dust plant species may be evergreen. They have stunning yellow flowers.
As a consequence of the plants low growing nature they are often used in rockeries, in dry stone walls, or as edging plants.
Alyssum photograph by Wallygrom.
Alyssum plants are a member of the Brassicaceae family, so are related to cabbages and mustards.
Alyssum saxatile is a perennial. Basket-of-Gold grows to about 6 to 12 inches (15-30 cm) tall. It features grey-green leaves and clusters of yellow flowers in spring.
This plant thrives in a location with full sun and well-drained soil. It's ideal for rock gardens, borders, or as a ground cover.
Alyssum maritimum is now known as Lobularia maritima, and is an annual plant. It reaches a height of 3 to 6 inches (7-15 cm). Sweet Alyssum has linear leaves and clusters of small, white, fragrant flowers.
It prefers to grow in full sun and like good drainage. It can also be used in rock gardens, borders, or as a ground cover.
Alyssum montanum is a perennial plant that grows to 6 to 10 inches (15-25 cm) tall. Mountain Alyssum bears grey-green leaves and clusters of bright yellow flowers in spring.
This plant thrives in full sun and well-drained soil.
Alyssum alyssoides is an annual plant that grows to about 4 to 12 inches (10-30 cm) in height. Yellow Alyssum has narrow leaves and carries clusters of pale yellow flowers.
As with other Alyssum plants, it enjoys full sun and well-drained soil, and does well in rock gardens, borders, or for use as ground coverage.
It is best to sow madwort, gold dust and similar species on the soil surface, with a spacing of 25 to 30 cm in either early spring or in the autumn.
Plants like to grow in light areas that are subjected to full sun.
The soil type is not overly important but ideally should be well drained, not too rich and have a pH between 5.6 and 7.4.
Alyssum requires between five and six days to germinate. If germinating plants indoor they should be grown for nine weeks, in cool temperatures and well lit conditions, before planting outdoors in the spring or autumn.
Alyssum species such as Gold dust require watering during prolonged dry spells in the summer.
Following flowering stems should be cut back to about a 3/4 of their size to encourage good growth the following year.
The Alyssum genus consists of about 100-170 species.
Yes, Alyssum species, often known as Sweet Alyssum, are popular for their compact growth habit and sweet-smelling, abundant flowers.
The most commonly grown species is Alyssum maritimum, also known as Sweet Alyssum.
Yes, Alyssum flowers are known for their sweet, honey-like fragrance.
Alyssum prefers full sun to partial shade and well-drained soil.
Alyssum is not considered invasive in the USA.
Removal can be done by pulling or digging up the plants, ensuring to get all roots to prevent regrowth.
The Alyssum genus consists of annual and perennial plants that are known for their delicate flowers and delightful fragrance. These plants are native to the Mediterranean region and have become popular choices in gardens around the world. Alyssum plants thrive in well-drained soil and prefer full sun exposure, although they can tolerate some shade. Regular watering is important, especially during dry periods, to ensure healthy growth.
Growing Alyssum is relatively easy as they are low-maintenance plants. They can be propagated through seeds or cuttings, making them accessible for gardeners of all skill levels. Alyssum species are versatile and can be used in various garden settings such as borders, rock gardens, or as ground covers. Their beautiful carpet-like effect and pleasant fragrance add a touch of beauty and charm to any landscape. Whether used as a border plant or as a ground cover to fill empty spaces, Alyssum is a wonderful addition to create colorful and fragrant garden displays.