Hellebore for Winter Flowers

Plant Name: Helleborus orientalis (Lenten rose)                                      
Plant type: Evergreen perennial
Height:   12” – 15”
Bloom Time: February to April
Flower Color:  Varies  – Purple, Whitish Yellow, Whitish Green,  Pink, Burgundy
Exposure: Full Sun in Winter,  Dappled shade in spring, summer, and fall
Soil Requirements:  Well drained loamy soil; Amend soil with organic matter

Water Needs:  Medium
Attributes:  Late Winter Bloomer, Deer Resistant , Waterwise plant, Long Blooming Season, Flowers have nodding habit.

Firewise status: unknown
Note:   Mulch to maintain summer moisture, Monitor for aphids in the spring and treat accordingly. Hellebores provide a variety of bees with nectar and pollen at a time when few other plants are blooming.

Uses: Borders, Containers, Mass Plantings, Woodland Garden, Cut Flowers, Winter Flowers, Pollinator Gardens, Bee Habitat.
USDA Zone: 2-10

 

Horticulture Report: Sambucus nigra

Article by: Lynn Kuntsman, Jackson County Master Gardener & Wildlife Management

Posted by: Carlotta Lucas, AGC Member

Firewise Plant: Muscari armeniacum Grape Hyacinth

Plant Name:  Muscari armeniacum
Common name:  Grape Hyacinth
Plant Type: Bulbous Perennial
Plant Height: .5’ – .75’
Plant Width:  .25’ – .50’
Bloom Time: April
Flower Color:  Royal Blue with thin White Rim
Exposure:  Full Sun to Part Shade
Soil Requirements: Well Drained; Sandy; Loam
Water Needs: Medium
Fire Resistant:  YES; Zone 10 – Plant 10’+ from structure.
Attributes: Showy Flower; Fragrant; Good Cut Flower; Deer Resistant; Tolerates Clay Soil; Attracts Bees/Butterflies.
Uses: Mass in Open Areas; Around Shrubs; Under Deciduous Trees; Rock Gardens; Front of the Border; Container Plant.
Note:  Reduce Watering After Foliage Begins to Die Back.
Native to: Western Asia, Southeastern Europe
Oregon Native:  NO
USDA Hardiness Zone:  4 – 8

Report by: Viki Ashford, AGC Member, Master Gardener

Photo by (c)2008 Derek Ramsey (Ram-Man), GFDL 1.2 http://www.gnu.org/licenses/old-licenses/fdl-1.2.html, via Wikimedia Commons

Fire-Resistant Plant: Greenleaf Manzanita

Plant Name:  Arctostaphylos patula
Common name:  Greenleaf Manzanita
Plant type: Shrub
Height: 3.3’ – 7’
Spread: 6’ –  9’
Bloom Time:  Winter – Spring
Flower Color: White, Pink
Exposure: Full Sun to Part Shade
Soil Requirements: Fast Draining; Slightly Acidic.
Water Needs: Low; Deep Moisture.
Attributes:   Insects Attracted to Flowers Including Native Bees; Birds Attracted to Fruits; Hosts Butterflies & Moths; Nectar Source.
Firewise: YES; One of the Few Manzanitas That Are Fire-Resistant.
Note:  Slow Growing;  Tolerates Very Cold Temperatures.
Uses:  Hedges; Bird & Hummingbird Gardens; Bee Gardens; Erosion Control.
Native to: Sierra Nevadas/North Coast Range California/Oregon/Washington; Parts of Arizona/Colorado.
Oregon Native:   YES
USDA Hardiness Zone:  5b – 9b

Article by: Viki Ashford, AGC Member, Master Gardener

Photo courtesy of Pat Breen, Oregon State University

Firewise Plant: Blanket Flower (Gaillardia)

Plant Name:  Gaillardia varieties
Common name:  Blanket Flower
Plant Type:  Perennial
Plant Height:  8” – 36”
Plant Width:  12” – 24”
Bloom Time:  June – September
Flower Color:  Red, Gold, Burgundy
Exposure: Full Sun
Soil Requirements: Well-Drained
Water Needs: Low
Fire Resistant:  YES; Zone 1-8, Plant 30’+ from House.
Attributes: Drought Tolerant; Deer Resistant; Attracts Birds & Butterflies; Other Pollinators.
Uses:  Good Cut Flower; Container Plant; Borders; Butterfly Gardens;
Note: Deadhead for Continuous Bloom; Keep Some Seed Heads for Birds; Cutting Back Clumps in Late Summer Increases Chance of Winter Survival; Divide Clumps Every 2 – 3 Years in Spring or Early Fall for Plant Vigor; Susceptible to Powdery Mildew, Leafspot, & Leafhoppers.
Native to: Western North America
Oregon Native:  YES
USDA Hardiness Zone:  3 – 10

Report by: Viki Ashford, AGC Member/Master Gardener

Photo credit: Lazaregagnidze, CC BY-SA 4.0 via Wikimedia Commons

Horticulture Report: Rock Rose

Plant Name:  Helianthemum nummularium

Common name:  Sun Rose or Rock Rose

Plant Type: Herbaceous Perennial

Plant Height:  8” – 10”

Plant Width:  12” – 16”

Bloom Time:  June – August

Flower Color:  Red, Pink, Yellow, Orange, Multicolored

Exposure: Full Sun

Soil Requirements: Dry, Alkaline, Rocky, Sandy Soil;

Water Needs: Dry; Low

Fire Resistant:  YES – Zone 1:    Plant 30+ feet from Structure

Attributes: Mounding Growth Habit; Drought Tolerant; Evergreen with Grey-Green Foliage; Attracts Bees/Butterflies.

Uses:  Rock Gardens; Edging Plant; Ground cover; Border Front.

Note: Shear Plants after flowering to encourage additional growth; each flower opens for only one day.

Native to: Europe; Asia Minor

Oregon Native:   NO

USDA Hardiness Zone: 4 – 7