Locate yuccas well away from walkways or play areas to avoid accidental injury from coming in contact with their sharp leaves. The Yucca filamentosa thrives in USDA zones 4 – 11 and is cold hardy down to 5°F (-15°C). Their caterpillars feed on the seeds, but leave some behind so the plant can re-seed itself. Yuccas are extremely drought tolerant, but will look better with regular watering of about an inch per week during spring and summer, along with an occasional deep soaking. Tremendously stiff leaves that mean this is the most wind tolerant. This species often forms large clumps with multiple offsets. This is a single stemmed Yucca up to 15 feet tall. Note that only species plants will come true from seed and not all seed will be fertile. Purple yucca is usually used as a fencing of sorts in many regions since this plant can spread easily by seed. Photo by: Duncan Selby / Alamy Stock Photo. Some people don’t care for the look of the flower stalk, and in that case, it can be cut down at any time, even before it blooms. Yuccas are slow-growers and need almost no maintenance to survive. Great for containers. Yucca flaccida 'Golden Sword' As long as it is well … Cold tolerant once established. To start hardy varieties outside, spring temperatures should be 55 to 65°F. This will leave a sparse trunk for a while, but new offsets should sprout from the cut point. This yucca is susceptible to over watering and cold-hardy to temperatures as cold as 25 o F (4,5). Hardy anywhere in Britain below approximately 1000ft (300m). Yellow leaves and/or soft roots can be a sign of overwatering. Copyright Genus Yucca can be evergreen perennials, shrubs or trees, with dense or loose rosettes of stiff, sword-shaped leaves and tall panicles of bell-shaped flowers It is hardy to zone (UK) 7 and is not frost tender. Transplant the seedlings at about 8 weeks into bigger pots or permanent location. One of the most ornamental varieties, stiff leaves form a dense crown atop a single trunk. Plant at a depth of one to two seed lengths. They need some 'wood' on them to survive severe cold - so plants Flower spikes reach up to 13 feet tall, with 600+ flowers. Clay, Dry / Well Drained, Sandy, Shingle / Beach, Big Leaves / Exotics, Evergreen, Flowers, Grown by Us, Trees, Coastal, Conservatories, Exposed (To wind and sun), Mild City Gardens, Plants for Pots, Seaside, Sheltered Garden. The leaves of this yucca are extremely sharp, hence the common name of Spanish bayonet. Outdoors, up to 25 feet tall and wide with offsets; indoors to 10 feet tall. Similar to 'Golden Sword', this cold-hardy yucca brings color to dry gardens. Boldly colored rosettes of strappy green leaves with bright yellow edges are sure to add drama to the landscape. Yucca elataCommonly called soaptree yucca, Green leaves with white edges and white curly filaments, white flowers. Yuccas grown indoors can benefit from a monthly application of a general purpose fertilizer once a month in spring and summer. It may take a few years until they flower. It is tolerant of flooding in floodplains but not swamps. Only a few. This spottiness only seems to afflict a small number of plants that have spent the last few million years evolving in a dry climate where airborne fungal spores are rare and therefore the plants have never had a reason to develop a way to combat the situation. Yucca gloriosa is an evergreen Shrub growing to 1.8 m (6ft) by 1.2 m (4ft in) at a slow rate. Massive root structures can grow over time that have the power to crack foundations, disrupt retaining walls, and invade pools and irrigation pipes. Heat Zones: 7 – 12 What's My Zone? The species is hermaphrodite (has both male and female organs) and is pollinated by Hand. * Required FieldsWe will never sell or distribute your email to any other parties or organizations. This cold-hardy variety handles temperatures down to 0°F and brightens up a dry garden. Yucca whipplei), that flower only once then slowly decline and die, similar to many of their close relatives, Agave spp.. Leaves can be thick or thin; usually long and narrow, sword-shaped, spine-tipped and arranged in rosettes. Botanical name Yucca aloifolia, Y. elephantipes, Y. filamentosa, Y gloriosa Group Shrub or tree Flowering time Summer (sparsely) Planting time Spring Height and spread 55cm-10m (22in-33ft) by 1.5-8m (5-26ft) Aspect Outdoors: full sun to light shade. As with all woody plants, plant high, exposing as much of the taper at the base of the trunk as possible. This variegated yucca adds color and texture to perennial beds. Yucca growth is quite slow and variable, especially if grown from seed. In zone 7 and 8 its tubers should be lifted before the first fall frost and stored indoors in dry, cool but frost free conditions. The botanical name of this plant is a bit of a moving target: You may find it listed as above or as Yucca gloriosa recurvifolia, Yucca g. tristis, or Yucca pendula. Plants can tolerate short-lived temperatures down to about -15°c so long as long as the climate is dry[ The original yucca that was first introduced to Britain from the Carolinas in the U.S.A. Photo by Garden World Images Ltd / Alamy Stock Photo. Striped creamy white to pale yellow and green leaves, white flowers. Photo by: Sundry Photography / Shutterstock. Due to their sharp and spiny nature, yuccas are deer resistant. Dramatic yet well behaved. Suitable for single container or mass planting. Common names are from state and federal lists. 14 - No frost at all, fatal, keep above 5C. They’ll require less water over winter. Yucca gloriosa (Adam's Needle) The original yucca that was first introduced to Britain from the Carolinas in the U.S.A. The ones we left behind (billions) are probably still there. Yucca Gloriosa is a hardy, evergreen yucca grown for its architectural foliage and fragrant summer flowers on spikes. Over time, most species of yucca will grow into room-devouring monsters, but this takes long enough that they provide years of durable … about plants and their frost hardiness. The flowers come and go. However, regrowth is never guaranteed. If you kill a yucca, it's probably due to overwatering. Additionally, consider the mature size of the plant to make sure it’s located far enough away that it won’t become a problem in the future. It grows well in sandy plains, dunes and desert grasslands. When clipping several plants with the same tool, have a bucket containing a 5% bleach solution and swish your blades around for 30 seconds between plants to sterilise them. In milder regions the flowers develop into … Please contact us for stock availability and sizes. However, if they are ingested, they can be moderately toxic to cats, dogs, and humans. Yucca gloriosa ‘Variegata’ Commonly called Spanish dagger yucca, Blue-green leaves with yellow edges that lighten to cream. This will help avoid the chance of cross contamination of disease. This species reproduces only by seed and does not produce offsets, but older plants will branch. Blue fleshy leaves creating a remarkable living sculpture. Start seeds indoors at any time, or outdoors in spring. Flowers: Flower Color: Cream/Tan Discover unique garden products curated by the Garden Design editors, plus items you can use to solve problems in your garden right now, and best sellers from around the web. Keep very well watered when first planted. Hardy Yucca Plants. Including Easter, May and August Bank Holidays, Closed Sundays, Architectural Plants, Stane Street, North Heath, Pulborough, West Sussex, RH20 1DJ, © 2021 Architectural Plants. Yucca filamentosa NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Soapweed yucca (Yucca glauca) thrives in the cold temperatures of USDA plant hardiness zone 3, with winter temperatures dipping as low as minus 35 degrees. This variety will eventually grow to form clumps. Leaves curve gracefully downward, each ending with a sharp tip. This category only includes cookies that ensures basic functionalities and security features of the website. Hesperoyucca whipplei)Commonly called chaparral yucca or our Lord’s candle. The real reason for growing these is the wonderful form of the plant itself. However, this growth can sometimes be unpredictable. Yucca baccataCommonly called banana yucca, 2 to 3 feet tall, with clumps to 10 feet wide, Blue-green leaves with curly white filaments, green or purple-tinged white flowers. This shimmering rosette is mounted atop a tree trunk, which is covered with the soft gray fibers of the old leaves, creating a silver haze. Grows well in sun or shade in a sheltered garden. Family Asparagaceae . How to incorporate succulents and cacti into your garden design, Growing and care information for these strong succulents, Sign up for weekly gardening inspiration and design tips, Modern Plants for a Bold and Beautiful Garden. Scientific: Yucca gloriosa Common: Spanish dagger, soft-tip yucca Family: Asparagaceae (subfamily Agavoideae) Origin: Coastal plain of North Carolina to Florida Pronounciation: YUK-ka glo-ree-OO-sa Hardiness zones Sunset 7-9, 12-13 (avoid sun full and reflected radiation exposures), 14-24 USDA 8-11. Photo by: Vladimir Zaplakhov / Shutterstock. They recover wonderfully well and incredibly fast as soon as the temperature rises. Plants will develop short trunks after several years. In common with all the yuccas we grow : remove old leaves (pull off or cut off, depending on your proclivities), use fungicide on them if they get spotty (this will stop the spot spreading – not make the spots go away), they have large white flower spikes in late summer, they branch after flowering, remove the flower spike as soon as the flowers fade. Necessary cookies are absolutely essential for the website to function properly. Also named the common yucca, Adam’s needle and thread yucca is a popular evergreen landscape plant. Please remember we're always on hand to give advice var theDate=new Date() We also use third-party cookies that help us analyze and understand how you use this website. They flower so late in the year that sometimes the frost will get them before they open fully. We were always scrupulous about getting permission to take any plant material from anywhere; except in the case of these. The thought of being sucked into a bureaucratic vortex called Cornwall County Council compelled us – with the connivance of some random local residents – to nick some. The yucca shrub has long sword-shaped green leaves that grow up to 3 ft. (1 m) tall. See above in How to Plant for more information on growing from seed. Rigid blue-green leaves are bordered with gold when new, gradually becoming rich cream. Their foliage grows in rosette form either at ground level or on stalks, trunks or branches. Good old Praa Sands. This website uses cookies to improve your experience while you navigate through the website. We propagate these in our lab by micropropagation as seed is unavailable and division is too slow. The technique to combat these spots is a combination of fungicide (any will do – particularly anything recommended for roses) used when the spots appear and merely removing (and burning preferably) affected leaves. Sentinels of the southwestern deserts, yuccas are extremely drought tolerant and store water in their trunks or bulbous bases. Severe frost (-4°c or below) will give the leaves a glazed look. Full sun outdoors, plenty of indirect light indoors. Smaller varieties make great container plants, giving the ability to grow in colder climates by moving indoors over winter and placing back outside after any chance of frost. At this same time, offsets can be cut away, and replanted if desired. . Please contact us for stock availability and sizes. Slow to leaf in early summer but well worth waiting for. This plant will grow quite large outdoors if left on its own, living up to its common name of giant yucca. Synonyms Yucca gloriosa 'Aureovariegata' . Some notes about spotty leaves : some plants (this is one) are susceptible to getting black spots on their leaves. In What Type of Soil Should You Plant a Yucca? From tools to furniture, these garden products are sure to delight. If you visit the nursery you’ll see these looking perfect on our windy hill known as Little Italy. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Whatever its name, it forms a single trunk to 610 feet tall; it is unbranched in younger plants but may be lightly branched in age. This plant is native to the southern regions of the United States. Allowing soil to accumulate round the base of a tree can be fatal. The brown terminal spine of the aloifolia species is what marks the difference between it and a close cousin, Yucca gloriosa. Sometimes known as Astelia Silver Spear. Similar to 'Golden Sword', this cold-hardy yucca brings color to dry gardens. Hardy north to zone 9 ( tolerating 18 F ) in full sun on moist, fertile, humus-rich, well drained soil, preferring long hot summers. 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