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What is a Yucca Filamentosa?

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  • Written By: N. Phipps
  • Edited By: Bronwyn Harris
  • Last Modified Date: 25 November 2016
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Yucca filamentosa, also known as Adam’s needle, is a popular species grown in many home gardens. This variety of yucca has medium green to yellowish sword-like leaves with long, curly white threads along their margins. The variegated form "Color Guard" is tinged with pink. During midsummer, Y. filamentosa comes alive with clusters of nodding, creamy-white blooms—making an already dramatic plant even more stunning.

Another aspect of Yucca filamentosa is its clump-forming habit, which can reach up to 3 feet (91.4 cm) tall with a similar spread. While this yucca species is slow-growing, it needs plenty of room for growth. Spacing between plants should be about 3 to 4 feet (91.4 to 121.9 cm). Plants, including those grown in pots, should also be kept at least the same distance away from walkway or patio edges to prevent contact with the sharp leaves.

Adam’s needle yucca makes a great focal point in the landscape. It can be used alone as a specimen planting or in groups. Yucca filamentosa is a common fixture in borders, beds, and xeriscape gardens. As with other types of yucca, this plant is widely adaptable to many conditions, making it suitable in a variety of settings.

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Adam’s needle performs best in full sun but tolerates shade as well, provided that adequate air circulation is available. About the only downside to shady locations is the lack of blooming that may be caused. When growing Yucca filamentosa, it’s important to choose well-draining soil to prevent issues with root rot. Other than this, it’s extremely versatile and suffers few problems. In fact, as with most yucca plants, not much affects this shrub, with exception to problems with overly wet soil.

Poor soil, temperature fluctuations, and drought have little effect on this functional plant. Pests and disease are also rarely an issue. As far as its care, Yucca filamentosa is pretty much self sufficient. However, deadheading the flower stalks is recommended. Removal of any unsightly foliage may also be necessary on occasion. The use of gloves is certainly recommended whenever handling yucca plants as well.

Yuccas are great plants for anyone wanting to grow something that requires little in the way of upkeep. They are not only easy to grow and care for but they are also easy to propagate should more plants be desired. While there are many varieties of yucca to choose from, all of which can be grown indoors and out, Yucca filamentosa will definitely add that extra touch of interest to nearly any landscape.

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Rotergirl
Post 2

@Pippinwhite -- For some reason, I always thought yucca plants were native to the desert Southwest. How nice to know they're native to the Southeast! I do like to use native plants in my yard whenever possible, and I've always loved the way yucca looks. And if the flowers smell good, what a bonus plan!

I've often seen people use yucca and pampas grass together, but I don't know if I like that look or not. Sometimes, pampas grass gets scraggly looking when it gets dry during the summer. Bamboo might be a good accompaniment, if you could find some that wouldn't take the place. Bamboo isn't native, but it looks nice and grows quickly.

Pippinwhite
Post 1

I've seen both the cream and pink-tinged yucca plants in people's yards. This makes sense because this kind of yucca is actually native to the southeast.

The flowers are very fragrant -- at least the cream-colored ones are. I don't know about the pink ones. The fragrance may have been bred out of them. I wouldn't mind having a couple of these plants to give my curb some interest. I've also heard they attract hummingbirds, which would also be very nice. I love to see hummers in my yard.

I knew the leaves were sharp. My cousin has one and always wears her garden gloves when she's tending it. Fortunately, they don't need a lot of care.

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