LIFE CYCLE
Perennial
PLANT CHARACTERISTICS
Soft pink blooms
GROWTH HABIT
Upright bushy
BLOOM SEASON
Summer autumn
FLAVOUR PROFILE
Mild herbal
SUITABLE FOR
Outdoor
SEED TYPE
Open Pollinated
PLANT TYPE
Flowering Herb
PLANTING SEASON
Spring
FRUIT SIZE
Not applicable
PLANT HEIGHT
90–150 cm
LIGHT REQUIREMENT
Full Sun
WATER NEEDS
Moderate high
HARDINESS ZONES
3–9
CONTAINER GARDEN
Yes
PLANT SPACING
40–60 cm
PLANTING DEPTH
1–2 cm
GROWING CONDITIONS
Moist fertile soil
Frequently Asked Questions
Is Marsh Mallow related to ornamental Hibiscus or Hollyhock?
Is Marsh Mallow related to ornamental Hibiscus or Hollyhock?
Marsh Mallow (Althaea officinalis) is a related but distinct genus within the same Malvaceae family as hibiscus and hollyhock.
Does Marsh Mallow need staking given its tall mature height?
Does Marsh Mallow need staking given its tall mature height?
At 90–150 cm, it can benefit from light staking in exposed or windy sites to keep stems upright through the season.
Can Marsh Mallow flowers be cut for indoor arrangements?
Can Marsh Mallow flowers be cut for indoor arrangements?
Its blooms can be used in casual cut arrangements, though the plant is primarily grown as a border and cottage garden perennial.
Does Marsh Mallow spread aggressively once established?
Does Marsh Mallow spread aggressively once established?
It typically forms clumps rather than spreading invasively, making it manageable in mixed perennial borders.
Can Marsh Mallow be planted alongside culinary or medicinal herb beds?
Can Marsh Mallow be planted alongside culinary or medicinal herb beds?
As a "flowering herb" type plant, it's sometimes included in herb-garden layouts, though this listing is intended for ornamental planting.
What time of day do Marsh Mallow flowers typically open?
What time of day do Marsh Mallow flowers typically open?
Like many Malvaceae blooms, flowers tend to open in morning to early afternoon during the summer–autumn season.