Perennial, Aquatic Plant, Bog Plant, Grass

Acorus gramineus ‘Ogon’

Slender Sweet Flag 'Ōgon'

Acorus gramineus ‘Ōgon’ (Slender Sweet Flag) is a compact, semi-evergreen perennial forming neat clumps to 30cm tall. Its narrow, bright yellow leaves are lightly striped with green, creating a fresh contrast. Easy to grow in moist or boggy soils, it is low maintenance and ideal for pond edges or damp spots in Irish gardens.

Size

Max Height

0.1 m — 0.5 m

Max Spread

0.1 m — 0.5 m

Growth Habit

Grows in tight bunches from base, forming rounded groups.

Planting Position

Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.

Full Sun

Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.

South West

Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.

Sheltered

Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.

(−20 to −15 °C) Very cold-hardy

Ideal Soil Conditions

Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.

Chalk Clay Loam

Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.

Poorly-drained

Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.

Acid Alkaline Neutral

Plant Uses & Merits

Merits

Generally disease-free
Generally pest-free
Low Maintenance

Acorus gramineus ‘Ogon’

Slender Sweet Flag 'Ōgon'

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Acorus gramineus ‘Ogon’

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