Picea pungens 'Gebelles Golden Spring' (Gebelle's Golden Spring Colorado Spruce)


Michael's Opinion

A newly discovered cultivar that exhibits brilliant yellow new growth contrasting with the bluish-green colours of the older growth. A very attractive pyramidal spruce and an excellent focal point in any landscape.

Botanical Information

FamilyPinaceae
GenusPicea
Speciespungens
Cultivar'Gebelles Golden Spring'
Patent NumberPP10643
CategoryWoody
TypeShrub (evergreen)
References
OriginDiscovered as a chance mutation in a field of Picea pungens seedlings in Huron, Ohio, United States of America by Anthony Gebelle.
Pronunciation

Details

USDA Hardiness Zone3 - 7
USDA Hardiness Ref.
Canadian Hardiness Zone1a - 7a
Canada Hardiness Ref.
RHS Hardiness ZoneH5 -H7
RHS Hardiness Ref.
Temperature (°C)-40 -(-12)
Temperature (°F)-40 - 10
Height5 m
Spread3 m
GrowthSlow
Flowering PeriodApril

Description and Growing Information

General DescriptionA coniferous slow growing shrub with a brilliant yellow coloured foliage on new growth persisting for 4-6 weeks, turning into a bluish green colour as it ages. Aged bark on the plant has a scaly appearance turning from a dull grey colour to a cinnamon brown colour.
ID CharacteristicEasily identifiable by its bright yellow new growth and densely pyramidal form.
ShapeDensely pyramidal.
LandscapeA relatively low maintenance shrub, dense, with a strong central leader and a strongly pyramidal form. It can make an excellent accent plant or a hedge.
CultivationFull sun, adaptable to both dry and wet growing conditions. Drought tolerant.
PestsSusceptible to spruce canker and gypsy moth.
Notable SpecimensFanshawe College, London, Ontario, Canada. Whistling Gardens, Wilsonville, Ontario, Canada.
HabitatHorticultural origin.
Bark/Stem DescriptionScaly, 2-4 cm thick, dull grey in its youth but gradually turning a brown cinnamon colour and furrowed with age.
Flower/Leaf Bud DescriptionThe buds are sulphurous yellow and about 4 mm long. The terminal bud will grow approximately 10-20 cm a year with lateral buds growing 10-12 cm.
Leaf DescriptionNeedles have a habit of growing closely together. The needles are short, soft and pointed at the tips, each needle is 4 sided forming a neat little square. Needles vary in length from 2-4 cm and are spirally arranged extending outwards on all sides of the branch.
Flower DescriptionFlowers are monecious and yellow in colour, pistillate flowers are a dull green to purple in colour.
Fruit DescriptionThe cones are fairly scarce on this cultivar, growing to an average of 7 cm long and cylindrical, 2 cm across with thin bandy scales. The cones are a deep cinnamon colour and mature in just one growing season.
Colour DescriptionStarts out in the spring with attractive, showy vibrant yellow new growth that eventually fades into a blue-green after 4-6 weeks. The tree has dull grey to cinnamon brown bark with age. Cones are true cinnamon colour persisting through maturity.
Texture DescriptionMedium to coarse in summer.

Photographs