Yucca nana (Dwarf Yucca)


Michael's Opinion

This plant grows laterally in rich sandy soil on slopes. It is mostly used as an ornamental in rock and grass gardens. Also does well as a potted plant and in group plantings.

Botanical Information

FamilyAsparagaceae
GenusYucca
Speciesnana
CategoryWoody
TypeShrub (evergreen)
ReferencesBitner, Richard L. Designing With Conifers. Portland, London. 2011. Print. Beck, Allison and Renwald, Kathy. Tree & Shrub Gardening in Ontario, Lone Pine. 2001. Print.
OriginFirst discovered in 1998 by Fritz Hochstetler in Denver Colorado, it is currently protected from collection due to near extinction.
Ethnobotanical Uses
Disclaimer
Edible roots.

Details

USDA Hardiness Zone5a - 9b
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H7
RHS Hardiness Ref.
Temperature (°C)-29 - (-1)
Temperature (°F)-20 - 30
Height15 - 30 cm
Spread22 - 30 cm
GrowthSlow
Flowering PeriodApril, May, June

Description and Growing Information

General DescriptionYucca nana is a small, woody plant with long, fibrous leaves and edible roots.
ID CharacteristicGrows on slopes; leaves are up to 15 cm long; creamy, bell-shaped flowers.
LandscapeGreat in ornamental, grass or rock gardens, in pots and on slopes.
PropagationBy seed, scarified, planted 0.5 - 1 cm deep. Require fast draining soil mix as seeds are prone to rot diseases. It may take several months before they become established enough to transplant. When transplanting ensure that the plant is hardened off. Propagation can also be done by dividing rhizomes and planting them in the same way as seeds.
CultivationPrefers well-drained, rich, sandy soils. Drought-tolerant, heat-tolerant and deer resistant.
PestsSusceptible to cane borers, scale insects and fungal leaf spot.
Notable SpecimensRoyal Botanical Gardens, Hamilton, Ontario, Canada.
HabitatSandy slopes in open pine woods.
Flower/Leaf Bud DescriptionLight green to cream-coloured, teardrop-shaped, asparagus-like in formation.
Leaf DescriptionLong, narrow, light green, stiff and upright, rough, bearing many fibres, clustered in rosettes up to 30 cm tall. Becoming smooth and dark green at the tip.
Flower DescriptionSucculent, cream coloured, 3 - 4 cm long, in central, upright cluster to 1 m tall.
Fruit DescriptionDehiscent, globose to ovoid, 2 - 3 ? 3 - 4 cm, green when young, wider and woody when ripe, bearing black, flat, rugged seeds. Seeds remain viable for years until scarification occurs.

Photographs