Tag Archives: Herbaceous perennials

Oregon Native: Thalictrum sparsiflorum (Fewflower Meadow Rue)

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Plant Name:  Thalictrum sparsiflorum
Common name:  Fewflower Meadow Rue
Plant type:  Herbaceous Perennial
Height:  4’ – 6’
Spread: 2’ – 3’
Bloom Time: June – August
Flower Color:  White to Pinksh
Exposure: Full Sun to Part Shade
Soil Requirements:  Average to Medium Well-Drained Soil
Water Needs: Medium
Attributes:  Showy Flower; Deer Resistant.  Blueish, Columbine like foliage with airy clusters atop sturdy stems.
Note:  Powdery Mildew & Rust can occasionally be a problem. Contrary to its name, it produces many flowers.
Uses:  Good Background Plant when grouped.
Native to: Western North America
Oregon Native:  YES
USDA Hardiness Zone:  4 – 7

Submitted by: Viki Ashford

Oregon Native Plant: Eriogonum umbellatum

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Plant Name: Eriogonum umbellatum
Common name:  Sulphur Flower Buckwheat
Plant type: Herbaceous Perennial
Height:  ½’ – 1’
Spread: 1’ – 3’
Bloom Time: May – September
Flower Color:  Cream or Yellow
Exposure: Sun, Part Shade
Soil Requirements:  Gravelly Soil
Water Needs: Low
Attributes:    Leaves are green above and gray-woolly beneath.  Flower clusters occur on 6-9 in. stems. The cream to sulfur-yellow, tubular flowers fade to orange or red.  Flowers are showy & fragrant. Drought- tolerant

Note:   This is an exceedingly variable species with many different varieties & subspecies, and this adds to the difficulties of identification in a complex group of similar western species. Because the species is so variable, it is especially important to choose material from a habitat that matches your site.  Propagate by thickly planting seed; does not transplant well due to long tap root.

Uses:  Attracts butterflies, native bees, & birds. Native Gardens; Rock Gardens; Pollinator gardens; Dry rocky slopes.
Native to:  California, Oregon, Western US & Canada
Oregon Native:  YES
USDA Hardiness Zone:  4 – 8

Find seeds through native seed growers: Klamath-Siskiyou Native Seeds, and  Plant World Seeds

Report by: Viki Ashford,
Photo 1 by: Carlotta Lucas
Photo 2 by: Klamath-Siskiyou Native Seeds

Horticultural Report

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Plant Name:  Anaphalis margaritacea
Common name:  Pearly Everlasting
Plant type:Herbaceous perennial
Height: 1-3 feet
Spread:   1-2 feet
Bloom Time:  July- September
Flower Color: White
Exposure: Sun to part Shade
Soil Requirements: well drained
Water Needs: drought tolerant
Attributes: Native wildflower, Easy to grow, Low maintenance, Showy white flowers, Blooms in clusters, Attracts butterflies.
Note:  Tolerates nutrient poor soils, Grows in sandy soil, Gravelly soils, Spreads.
Uses:  Native gardens, Pollinator gardens, Wildflower gardens, Dry meadow and Perennial garden.
Native to: USA
USDA Hardiness Zone: 2-8

Heuchera ‘Silver Scrolls’

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Heuchera ‘Silver Scrolls’Silver scrolls Heuchera
Common Name:  Coral bells
Type: Herbaceous perennial
Family: Saxifragaceae
Height:  plant 8-12 inches, flower stalks 24-in
Spread: 8 to 12-inch
Bloom Time: June to July
Flower: Pinkish White, Showy
Sun: Filtered sun to part shade
Soil: Rich humus, Well-draining
Water Needs:  Average to Moist
Foliage Colorful!  Emerge silver flushed with burgundy, matures into silver with dark purple veins.
Uses: Edging, Woodland gardens, Containers, Foliage Garden Interest, Perennial beds, Mass plantings for ground cover
Attributes: Deer Tolerant, evergreen in warm climates.
USDA Zone: 4 to 9

Horticulture Report: Gaillardia aristata

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Gaillardia_Gallo_Peach

Plant Name: Gaillardia aristata
Common Name: Gallo Peach Blanket Flower
Plant type: Herbaceous Perennial
Height: 12-16 inches
Spread:   12-16 inches
Bloom Time:  Spring to late summer  
Flower Color:  Yellow with peachy gold blush, Yellow-orange center.
Exposure: Full Sun
Soil Requirements: Best in poor sandy soil,  does not like clay soil.  
Water Needs: Water well until established, then water occasionally  
Attributes:   Showy prolific flowers, Long bloomer, Drought tolerant once established, Deer resistant, Attracts Butterflies, Interesting globe seed pods 
Note:   Clip spent flowers to encourage repeat blooms. Cut back in late summer to encourage second blooming in the fall. Divide every 2-3 years.
Uses: Cut flowers, Borders, Perennial garden, Pollinator garden, Native garden, Butterfly Gardens. 
Native to: Patented plant
USDA Hardiness Zone: 6-10

Horticulture Report: Sweet Woodruff

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Plant Name: Galium odoratumsweet-woodruff
Common Name:  Sweet Woodruff
Plant type: Herbaceous perennial
Height: 8 to 12 inches
Spread: 2-3 feet  
Bloom Time: May – June
Flower Color: White
Exposure: Full to Part shade
Soil Requirements: Rich well-drained soil
Water Needs: Regular – moist
Attributes: Dainty Fragrant Flowers, Fragrant Vanilla-like Leaves & Stems
Note: Tolerant of Back Walnut trees
Uses: Shade Garden, Pathway & Garden Edging, Woodland Garden, Rock Gardens, Herb Garden, Naturalize, Groundcover
Native to: Northern Asia, Northern Africa &  Europe
USDA Hardiness Zone: 5-9