Hort 29, Fall 2007 List #1, Loropetalum list

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Transcript Hort 29, Fall 2007 List #1, Loropetalum list

AGEH 29, Fall 2013
Shasta Arboretum
Achillea millefolium, yarrow
sunflower family, Asteraceae
Achillea millefolium, yarrow
sunflower family, Asteraceae
• Native to much of N. hemisphere
• Hardy perennial, available in
many colors
• Flowers in flat-topped clusters of
radiate heads
• Leaves alternate, finely divided
• Fruit an achene
Centaurea cineraria
Dusty Miller
Centaurea cineraria
Dusty Miller
• Originates from the
island of Capraia in
Italy
• Prefers full sun, can
tolerate light shade
• Very drought tolerant
but can take regular
irrigation
Senecio cineraria
Dusty Miller
Senecio cineraria
Dusty Miller
• Native to
Mediterranean and
northwest Africa
• Drought tolerant
• Dense hairs on
leaves are used by
some species of bees
for nest building
• Tolerant of light
shade but prefers full
sun
Cerastrum tomentosum
Snow in Summer
Cerastrum tomentosum
Snow in Summer
• Native to the alpine
regions of Europe
• Not long lived
• Repair bare patches
with divisions
• Needs well drained
soil
• Spreads 2-3 feet in a
year
Cocculus laurifolius, laurel leaf
snail seed (Menispermaceae)
Seed image from
Cocculus carolinus,
Carolina coralbead
Cocculus laurifolius, laurel leaf
snail seed (Menispermaceae)
Evergreen shrub or tree,
native to Himalayas
(almost viny)
ID: multistemmed, with
arching growth;
branches long and
flexible; lvs. shiny and
leathery, to 6”; slowgrowing at first, then
quickly to 25 ft.
Care: Sun or shade;
moderate water
Feijoa (Acca) sellowiana, Pineapple guava
myrtle family, Myrtaceae
Feijoa (Acca) sellowiana, Pineapple guava
myrtle family, Myrtaceae
• Evergreen shrub or tree, large
and multistemmed, liking full sun
and moderate water
• 18-25 ft high and wide; leaves
glossy green above, gray
beneath
• Flowers in spring, with pinkish,
fleshy flowers (petals edible,
taste like bubble gum); fruit 5
mos later, 1-4 in., bland; harvest
as they begin to drop off; if fruit is
your goal, buy named varieties
(needs cross pollination)
• Prune in late spring
• Name change to Acca, not yet
widely used
Helianthus maximilianii,
Maximilian sunflower
sunflower family, Asteraceae
Helianthus maximilianii,
Maximilian sunflower
• Tall rhizomatous perennial,
spreading slowly to make large
patch
• Many radiate heads in fall
• Narrow, alternate, rough leaves
• Dies back to the ground in winter
• Propagate by digging up a portion
of roots
• Cut back stems early to keep from
flopping over
Ilex cornuta, Chinese holly
Ilex cornuta, Chinese holly,
holly family, Aquifoliaceae
• Arborescent shrub, native to Asia. In
general, hollies have sexes on
separate plants, need both sexes to
get fruit. But named varieties of this
holly set fruit without a male plant!
• Chinese holly variable in leaf,
generally have spines on 4 corners
and one in middle (or looks like 3 at
tip of leaf).
Ilex cornuta, Chinese holly,
holly family, Aquifoliaceae
• Needs long warm season to set fruit.
In desert grow on north sides of walls
and buildings.
• Ours may be ‘Burford’. There is
another called ‘Willowleaf’ without
the leaf spikes
Iris germanica, bearded iris
iris family, Iridaceae
Iris germanica, bearded iris
• Perennial with branching
rhizomes
• Flower parts in threes; ovary
inferior
• Flat parallel veined alternate
leaves in one plane, folded
around the stem (“equitant”)
• Fruit a three-chambered capsule
The American Iris Society ‘How to Plant and Grow Bearded Iris’
http://www.irises.org/About_Irises/Cultural%20Information/Grow_Bearded.html
Lantana camara
Lantana
Lanata camara
Lantana
• Native to tropical
regions of Americas
and Africa
• Invasive in Asia,
South Africa,
Australia and Hawaii
• Introduced bio control
insects in Australia
and Hawaii with
mixed success
Lantana camara
Lantana
• Poisonous leaves and
berries
• Has led to
widespread livestock
loss in the United
States, South Africa,
India, Mexico and
Australia
• Good honey plants for
a butterfly garden
Lavandula angustifolia, English
lavender
mint family, Lamiaceae
Lavadula angustifolia
English Lavender
• Native to the
Pyrenees Mountains
in northern Spain
• Thrives in full sun
• Needs only moderate
water
Lavadula angustifolia
English Lavender
• Sweet fragrance used
in perfumes and
sachets
• Lavender oil used in
massage therapy
• Dried leaves used in
herbal teas
• Flowers and oils used
to prevent clothing
moths since they
don’t like the scent
L. angustifolia English Lavender
L. stoechas Spanish Lavender
• As mint family members, have
opposite leaves, square stems,
bilabiate flowers
• Flowers in terminal spikes
• Both are evergreen shrubs with
lavender fragrance
• Native to the Mediterranean
• Main difference is in the flower
spikes—L. stoechas has thick
spike with colored bracts on top; L.
angustifolia has thin spike with no
bracts on top.
Loropetalum chinense, Chinese
fringe flower, Witchhazel family
(Hamamelidaceae)
Loropetalum chinense, Chinese
fringe flower,
witchhazel f., Hamamelidaceae
• Native to China and Japan
• ID: 6-10 x 6-10 ft; evergreen or
semievergreen shrub; lvs green or purple,
1-2 in.; fls white or pink, petals ribbonlike
• Care: sun to full shade; moderate to
regular water; takes any amount of
pruning
• Value: flowers all year, but most in spring
Origanum laevigatum ‘Hopley’s’
Hopley’s Oregano
Origanum laevigatum ‘Hopley’s’
Hopley’s Oregano
• Native to rocky areas
of Turkey and Cyprus
• Needs well drained
soils in full sun
• Heat and drought
tolerant
• Foliage is aromatic
• Dried leaves used in
potpourris
Osmanthus heterophyllus,
Holly-leaf Osmanthus;
Olive family, Oleaceae
Osmanthus heterophyllus,
Holly-leaf Osmanthus
Olive family, Oleaceae
• Flowers very fragrant; blooms in spring, summer, fall
• Leaves resemble holly but are OPPOSITE; some spiny,
some entire; selection is a male, so no fruits
• Large shrub, to 30 x 15 ft
• Good, tough, drought-tolerant, often maintained at 6 ft.
• From Japan
• Useful as a hedge
Rosmarinus officinalis, rosemary
mint family, Lamiaceae
Rosmarinus officinalis, rosemary
• As mint family member, has
opposite leaves, square stems,
bilabiate flowers
• Flowers in axillary clusters
• Evergreen shrub with strong
fragrance, culinary use
• Native to the Mediterranean
• Many named cultivars, some erect,
some trailing, different flower
colors
Salvia greggii, autumn sage
Mint family, Lamiaceae
Salvia greggii, autumn sage
Mint family, Lamiaceae
• Native to southern
Texas and northern
Mexico
• Blooms throughout
summer and fall
• Drought tolerant but
does best with
moderate water
• Replace plants every
5 years
• Full sun or partial
shade
Variable flower color
deep red to pinkish white
Santolina chamaecyparissus
Lavender Cotton
Santolina chamaecyparissus
Lavender Cotton
• Native to
Mediterranean
• Hot sunny spot in
well-drained soil
• Prune in winter
• Extracted oil used in
perfumes
• Branches repel
insects in closets
• Dried leaves suitable
for pot pourri
Santolina pinnata
Rosemary Santolina
Santolina pinnata
Rosemary Santolina
• Grow in full sun in
well-drained soils
• Easy care
• Few pests
• Fragrance used in pot
pourri
Stachys byzantina, Lamb’s ears,
Mint family, Lamiaceae
Stachys byzantina, Lamb’s ears,
Mint family, Lamiaceae
• Creeping groundcovers nearly “evergray”
• May decompose in hard freezes, cut back
and will quickly regrow
• Flowers: love ‘em or cut ‘em off
• Good for edging of beds
Non-flowering Lamb’s ears,
‘Silver Carpet’,‘Primrose Heron’,
‘Helen von Stein’
Trachelospermum jasminoides,
star jasmine,
dogbane family, Apocynaceae
Trachelospermum jasminoides, Star
jasmine, Dogbane family,
Apocynaceae
• Evergreen vine from China; milky
juice can be skin irritant
• ID: twining vine 20-30 ft; or handle
like a groundcover; leaves 3”,
oval, glossy, opposite; flowers 1”,
white, very fragrant
• Best foliage in shade, moderate
water; flowers best with sun
Viburnum tinus
Laurustinus
Viburnum tinus
Laurustinus
• Native to
Mediterranean
• Prefers shady moist
areas
• Blooms fall to spring
• Dense foliage good
for topiary shapes
• Susceptible to mites
and prone to mildew