• Acorus Ogon, Golden Variegated Sweet Flag, is known for its narrow striped leaves arching into a graceful tuft
  • Acorus Ogon is a semi-evergreen perennial grass with richly colored yellow and green leaves
  • Acorus gramineus Ogon is a semi-evergreen perennial ideal for wetlands known for their distinctive variegated bi-colored leaves
  • Acorus Ogon Plants

Images Depict Mature Plants

Acorus Ogon

Acorus gramineus 'Ogon'

Acorus 'Ogon' offers vibrant, variegated yellow-green foliage that adds year-round color and texture to moist, shaded areas, making it perfect for rain gardens and water features. Its compact size and tolerance for wet or dry conditions make it ideal for use as a ground cover, border plant, or in containers, providing a versatile and low-maintenance option for any landscape.

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Acorus Ogon Plants For Sale Online

Acorus 'Ogon' (Acorus gramineus 'Ogon') or Sweet Flag is a stunning, low-growing perennial grass-like plant known for its vibrant, yellow-green, variegated foliage that adds year-round color and texture to any garden. The slender, arching leaves provide a bright, golden accent, making it ideal for adding contrast to shade gardens, woodland settings, or along water features. This semi-evergreen plant thrives in USDA Hardiness Zones 5-9 and can grow in both wet and dry conditions, making it highly versatile and low-maintenance. Its compact size, typically reaching 10-12 inches in height with a spread of 12-18 inches, makes it perfect for borders, ground covers, or container plantings.

Acorus 'Ogon' is particularly well-suited for moist, boggy areas, rain gardens, or along the edges of ponds and streams, where its tolerance for wet soil sets it apart from other ornamental grasses. It also performs well in consistently moist garden beds, providing a lush, golden accent throughout the year. Its unique variegated foliage is attractive in both full sun and partial shade, offering great versatility for different garden conditions. The plant also produces small, inconspicuous greenish flowers in late spring, adding subtle interest without detracting from its showy leaves.

Low-maintenance and deer-resistant, Acorus 'Ogon' requires minimal care once established, thriving with little need for fertilization or pruning. Its clump-forming habit ensures it stays well-behaved in the garden, while its striking color makes it an excellent companion for hostas, ferns, and other shade-loving perennials. Whether used as a ground cover, in containers, or in water features, Acorus 'Ogon' adds year-round visual interest with its vibrant foliage and reliable performance in a variety of landscape settings.


Growzone: 4-9 Acorus Ogon Hardiness Zones 4-9
Hardiness Zone: 4-9
Mature Height: 10 to 12 Inches
Mature Width: 12 to 18 Inches
Classification: Perennial
Sunlight: Part sun to full shade
Habit: Spreading
Flower Color: Inconspicuous
Flowering Season: April to July
Foliage: Yellow Blades
Soil Condition: Average to wet soil
Water Requirements: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed shade border, mass planting. deer resistant, tolerates heavy shade and wet soils.

How to Care for Acorus Ogon

Before you buy Acorus 'Ogon' make sure to read about the recommended care instructions to keep this Golden Variegated Sweet Flag Plant healthy and thriving.

How Do I Plant Acorus Ogon?

How Do I Plant Acorus Ogon?

To plant Acorus 'Ogon', start by selecting a location that offers full sun to partial shade, as this versatile plant thrives in both light conditions. Acorus 'Ogon' prefers moist, well-drained soil but can tolerate a variety of soil types, including clay, sandy, or boggy areas, making it perfect for rain gardens, pond edges, or consistently damp spots in your garden. Dig a hole slightly wider than the root ball, ensuring the top of the root ball is level with the soil surface. Gently place the plant in the hole, backfill with soil, and firm it down to eliminate air pockets. After planting, water thoroughly to help the plant establish its roots, especially during the first growing season. Acorus 'Ogon' requires consistent moisture to thrive, so keep the soil evenly moist, particularly in drier weather. Mulching around the base of the plant with a 2-3 inch layer of organic mulch can help retain moisture and suppress weeds. Spacing multiple plants about 12-18 inches apart allows them to fill in naturally, forming a lush ground cover over time. This low-maintenance, deer-resistant plant requires minimal care once established and can be used in a wide variety of landscape settings, from water features and borders to containers and mixed perennial beds. By planting Acorus 'Ogon' in the right location with consistent moisture, you will enjoy its striking, bright foliage that adds year-round color and texture to your garden.

How Do I Water Acorus Ogon?

How Do I Water Acorus Ogon?

Watering Acorus 'Ogon' is essential to keeping its vibrant yellow-green foliage healthy and lush. This plant thrives in consistently moist conditions, so regular watering is key, especially during its first growing season when it’s establishing a strong root system. Water deeply once or twice a week, depending on rainfall, ensuring that the top few inches of soil remain moist but not waterlogged. Acorus 'Ogon' is highly adaptable and can tolerate wet soils, making it ideal for rain gardens, pond edges, or boggy areas where other plants may struggle. Be mindful of the soil drying out in hot weather, as this plant prefers to stay consistently moist. Once established, Acorus 'Ogon' is relatively low-maintenance but will still benefit from consistent moisture to maintain its vibrant color and healthy growth. In drier climates or during periods of drought, increase the frequency of watering to prevent the soil from drying out completely. Adding a 2-3 inch layer of mulch around the base of the plant can help retain moisture and regulate soil temperature, reducing the need for frequent watering. Whether planted in a boggy area or a garden bed, keeping Acorus 'Ogon' well-watered ensures it continues to thrive, offering year-round interest with its eye-catching foliage and dependable performance in moisture-loving landscapes.

How Do I Fertilize Acorus Ogon?

How Do I Fertilize Acorus Ogon?

Fertilizing Acorus 'Ogon' is a simple process that helps maintain its vibrant yellow-green foliage and encourages healthy growth throughout the year. In early spring, apply a balanced, slow-release fertilizer, such as a 10-10-10 formula, around the base of the plant. Spread the fertilizer evenly, starting a few inches from the crown and extending to the drip line, ensuring it reaches the root zone. This will provide the essential nutrients needed for new growth and will support the plant as it emerges from dormancy. Water thoroughly after fertilizing to help the nutrients absorb into the soil and reach the plant’s roots. For ongoing care, Acorus 'Ogon' benefits from an additional light feeding in midsummer, particularly if the soil is poor or lacks organic matter. Alternatively, you can incorporate organic compost or well-rotted manure into the soil to gradually release nutrients throughout the growing season. Avoid over-fertilizing, as this plant prefers moderate nutrient levels and too much can lead to weak or leggy growth. A layer of organic mulch around the base will also improve soil quality and provide slow-release nutrients as it breaks down. By following these fertilization tips, your Acorus 'Ogon' will thrive, maintaining its striking foliage and adding year-round beauty to your garden.

How Do I Prune Acorus Ogon?

How Do I Prune Acorus Ogon?

Pruning Acorus 'Ogon' is a straightforward process that helps maintain the plant's tidy appearance and promotes healthy growth. In late winter or early spring, before new growth begins, remove any dead, damaged, or discolored leaves by cutting them back to the base of the plant. Use clean, sharp pruning shears to ensure precise cuts that won’t harm the plant. Pruning during this time allows the plant to channel its energy into producing fresh, vibrant foliage for the upcoming growing season. Additionally, trimming away old growth improves air circulation, reducing the risk of disease and keeping the plant looking neat and healthy. Throughout the growing season, minimal pruning is required, but you can remove any browning or damaged leaves as needed to maintain the plant's attractive, variegated appearance. Acorus 'Ogon' grows in a clump-forming habit, so it typically stays well-behaved without needing heavy pruning or shaping. If the plant becomes too large for its space, you can divide the clumps in early spring or fall, which will rejuvenate the plant and create new divisions for planting elsewhere in your garden. Regular light pruning and occasional division will keep Acorus 'Ogon' looking fresh and vibrant, ensuring it continues to provide year-round color and texture in your landscape.


Frequently Asked questions

Is Acorus Ogon an Ornamental Grass?

Is Acorus Ogon Deer Resistant?

Where is Acorus Ogon Native to?

Can Acorus Ogon Be Planted in Mixed Perennial Containers?

Can Acorus Ogon Be Planted in Rain Gardens?

Why is Acorus called Sweet Flag?


General questions

What do the pot sizes mean?


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