Costa Farms

 

Passionate about plants? So are we! Costa Farms is a wholesale grower that discovers, develops, and grows plants for your home and life -- indoors and out. We’re your online gardening resource for plant info and inspiration. Our articles, blogs, tips, and photos help you use plants to beautify your living spaces and enhance your life.

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Juncus

Juncus spp.

Juncus Plant Features

Juncus is an unusual houseplant, annual, or perennial that has wonderful, gray-green textural leaves. Some varieties have extra interest because their leaves twist and curl as they grows, making them look like living sculptures. While these exotic plants look hard to grow, they're actually easy indoors and out! 

Indoors, use juncus to add flair to your desk at work or school, or as a dramatic accent in your kitchen, living room, or den. Its gray-green leaves are a lovely neutral color, making it work with just about any interior color scheme -- and any type of pot (especially the warm, earthy tones of the classic clay container).

Outdoors, juncus is perfect for garden beds and borders, as well as adding fantastic texture to container gardens. 

Juncus Questions?
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Juncus Growing Instructions

Indoors, grow juncus as an exotic houseplant in medium to bright light for the best effect. It can take direct sun on the foliage, even in Southern climates. Water the plant liberally as it likes moist soil. In fact, it's tough to overwater this unusual houseplant! Juncus appreciates fertilizer once or twice a year. You can use any houseplant fertilizer, following the directions on the product packaging. 

Outdoors, grow juncus in sun or shade. It does best in evenly moist or even wet soil. While it doesn't require fertilizer outdoors, you can fertilize juncus with any general-purpose fertilizer. Follow the directions on the product packaging. Pruning typically isn't necessary. 

Note: Juncus is not meant for human or animal consumption. 


  • Light

    Indoors: High light
    Indoors: Medium light
    Outside: Part sun
    Outside: Shade
    Outside: Sun

  • Colors

    Green

  • Water

    Constantly moist soil, Medium water needs

  • Special Features

    Deer/rabbit resistant
    Purifies the air


Varieties: Our Favorites

Juncus 'Blue Dart' Blue Dart

Juncus 'Blue Dart'

Often grown as an annual, 'Blue Dart' is an easy-care perennial in Zones 2-9. It grows 18 inches tall and 12 inches wide. Its blue-green foliage is wonderfully textural in container gardens, window boxes, as well as beds and borders.

Juncus pallidus Javelin Javelin

Juncus pallidus Javelin

Javelin juncus adds unique texture to landscapes, gardens, and container gardens with its structural grass-like leaves and easy-care nature. Drought tolerant, it grows 48 inches tall and 24 inches wide. Zones 8-10 as a perennial; it's treated as an annual in colder-winter areas.

Juncus Twisted Arrows Twisted Arrows

Juncus Twisted Arrows

Twisted Arrows is unique because it's not technically a plant variety -- instead, it's two types of juncus grown together! Twisted Arrows grows 14 inches tall and 18 inches wide.

Juncus effusus 'Unicorn' Unicorn

Juncus effusus 'Unicorn'

Unicorn grows well as an indoor plant or garden plant. It has curled, twisted foliage and grows 24 inches tall and wide. Zones 4-9

Exotic Angel