Lavandula × intermedia 'Grosso'
Also known as
Margaret Roberts' Lavender
Photo by AlanGardenMaster (All rights reserved)
2 years to reach maturity
This plant has a strong fragrance
More images of Lavender 'Grosso'
Lavender 'Grosso' Overview
The most fragrant of all lavenders, Lavandula × intermedia 'Grosso' is the one most used for its scent. It is a cross between L. angustifolia and L. latifolia. Also well known for its abundance of exceptionally long, deep violet flowers that stand out above the compact foliage. Used for potpourri, essential oil making and as cut flowers.
Common problems with Lavender 'Grosso'
Cannot tolerate excess water and humidity; also dislikes highly organic compacted soils. If conditions are too wet fungal problems may arise, these may be mitigated by providing excellent drainage and good air circulation to plant roots.
Lavender 'Grosso' Companion Plants
Grows well with Rosemary and Thyme
How to harvest Lavender 'Grosso'
Flowers can be harvested throughout summer. Harvest seeds from flowers after they have dried out.
How to propagate Lavender 'Grosso'
6 - 10 cm cuttings should be taken long before or after the flowering period, (Cuttings don't tend to root well during its flowering period).
Unlikely to come true from seed.
Special features of Lavender 'Grosso'
Attracts useful insects
Attracts bees and butterflies
Repels harmful insects
Very water wise
Grows well in any sized pot. Good for a sunny balcony or porch.
Excellent low hedge that thrives along the edges of masonry walks and walls.
Other uses of Lavender 'Grosso'
Used for potpourri and cut-flowers
The entire plant is edible, however consuming this species is not favoured as it is very bitter. A better species to consume is L. angustifolia which is sweeter and less pungent.
Cut flowers or potpourri
Cut as needed.