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Juncus Blue Arrow

Juncus effusus 'Blue Arrow'

Juncus Blue Arrow is a versatile plant, that can be planted either outside in your landscaping or indoors as a houseplant. This versatile perennial will bring the perfect pop of blue-green color to a sunny spot in your home.

Sale Price $19.15 USD List Price $23.95 USD
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Juncus Blue Arrow For Sale Online

If you like unusual plants, you'll want to add this spectacular ornamental grass-like plant to your collection. Exciting its own, the Blue Arrow Rush also adds interesting textures and architectural interest to any houseplant collection or landscape. Juncus can be used as a houseplant or planted outdoors in the landscape as well. The Blue Dart Rush is a unique variety of Juncus that produces stiff, upright blue-green foliage.


Growzone: 5-9 Juncus Blue Arrow Hardiness Zones 5-9
Hardiness Zone: 4-9
Mature Height: 18 to 24 Inches
Mature Width: 12 to 18 Inches
Sunlight: Full Sun to partial shade, bright indirect light to filtered indirect light
Water Requirements: Likes to stay evenly moist
Flower: Inconspicuous
Foliage: Round blades, blue-green color
Growth Rate: Medium to fast
Uses: Indoor an outdoor; container gardens; rock gardens; ornamental indoor plant; specimen

How to Care for Juncus Blue Arrow

Before buying your new Juncus Blue Arrow Plants, make sure to read the recommended care instructions

How much sun does Blue Arrow Rush Need?

How much sun does Blue Arrow Rush Need?

Blue Arrow Juncus does best in bright indirect light to filtered light when indoors. Outside, it can tolerate full sun to partial sun.

What kind of soil does Juncus Blue Arrow need?

What kind of soil does Juncus Blue Arrow need?

Juncus Blue Arrow is very adaptable and does not have particular soil needs. When planting indoors, do make sure that the soil is well draining so that it cannot sit in too much water. A good potting soil mix will have an even mix between humus or vermiculite and perlite or coarse sand, so that there is an even balance between nutrition and drainage.

How often should I water my Blue Arrow Rush Plant?

How often should I water my Blue Arrow Rush Plant?

Juncus Blue Arrow is sometimes used as a border plant around ponds and other water fixtures since they are so tolerant of some standing water. They can tolerate drying out somewhat between waterings, but we would not recommend that you let the soil ever dry out entirely. The best way to water a Juncus Blue Arrow is to thoroughly saturate the soil (and make sure it is well draining soil) until water runs out of the bottom into the drip tray, and discard all water that drains out. Then, wait until the top inch of soil has become dry to the touch before watering again. When in doubt, it is better to wait a day or two than to over water, as overwatering could cause root rot.

Do I need to fertilize my Juncus Blue Arrow?

Do I need to fertilize my Juncus Blue Arrow?

Juncus Blue Arrow will benefit from a basic plant food, especially while becoming established or when planted indoors. Either liquid formulas or slow-release granular fertilizers will do. For smaller plants, be sure to cut the recommended strength in half, so that you do not over-fertilize and shock the roots. Once or twice a year in the spring and summer is best. Don't fertilize in the late summer or fall, as this can inhibit a successful dormancy.


Additional Information

Juncus Blue Dart as a Houseplant

Blue dart Juncus adds flair to your desk at work or as a new-age accent in your kitchen, living room, or bathroom. It is a compact blue foliaged grass-like plant with a wonderful cooling effect in the home due to its color. 

Watering a Juncus Blue Dart Houseplant: 

Constantly moist soil is needed to keep Juncus blue dart healthy and thriving. Don't allow the soil to dry out. It's okay to keep Juncus in a saucer of water, and mixing a pot and saucer of Juncus in with your houseplant collection is a good way to raise the humidity surrounding your other houseplants. The blue foliage will turn yellow then brown if the soil does not remain consistently moist. Keep your blue Dart rush plant in a pot without a drainage hole if you find that the soil is drying out too quickly. Juncus plants grow in marsh areas in its natural habitat, so it loves soggy soil and even tolerates standing water. You might say that This is a plant you can't overwater. 

Where to grow Juncus Blue Dart Indoors: 

Place your Juncus Blue Dart plant in your brightest window, or you can put it outdoors for the spring and summer. Blue Dart will tolerate lower light levels but won't grow as fast. If you don't have a spot near a sunny window, LED grow lights work well. 

Feeding Juncus Houseplants: 

Feed Juncus Blue dart plants once per month in the spring through fall with a balanced granular or water-soluble fertilizer.

Growing Juncus Blue Dart in the Landscape

Juncus Blue Dart is easy to grow is an attention-grabbing showpiece for water gardens, pond edges, shelves, boggy areas, or anywhere other plants struggle due to standing water or poorly drained soil. It's deer-resistant and adaptable to a wide range of sun, including bright full sun to partial shade. It does tolerate a wide range of soil conditions, including standing water and drought but prefers moist to wet conditions. 

Juncus Blue dart grows outdoors in hardiness zones 4 through 9 and remains evergreen in all but the northernmost areas of its range. In the spring, Juncus can be cut back to the ground to refresh the foliage. Blue Dart's attractive rounded leaves remain bluish-green in color throughout the season. It brings a fine textured and vertical appearance to the landscape and can often be seen in rain gardens.

Growing Juncus Blue dart in Containers

Juncus is a beautiful centerpiece in combination container gardens for the patio or entranceway. It is often used as the thriller in a thriller, chiller, spiller planting combination. Containers can be submerged in the garden pond's margins, with the plant's base just above the waterline. Juncus looks great planted in containers by itself as well. 

Dividing Juncus Blue Dart

Increasing your collection of Juncus is done by dividing the rootball of plants in mid to late spring. Lift and divide the clumps using a sharp knife to sever through the tough roots. Replant or repot the new plants immediately and water thoroughly.


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