Achillea spp. = Yarrow
~ 100 species, usually aromatic Perennials for Sun Native to Asia Minor
Legend – Achilles healed his wounds in battle
Bloom June to September
Midsummer color in border, wild flower garden or naturalized area
Cut flowers, dried bouquets – strip off lower leaves
Achillea filipendulina Achillea filipendulina Fern Leaf Yarrow Fern Leaf Yarow
Sunny, well drained site
Tolerates dryness, but better flower when moist A. Filipendulina ‘Parkers Variety’ Bone meal each spring
Divide clumps in spring after 3-4 years
A. Filipendulina Seeds sown in spring, flower following ‘Coronation Gold’ year
Achillea millefolium Achillea millefolium Common Yarrow Common Yarrow
Native is weedy perennial
Sunny, well drained, fertile soil A. millefolium ‘Red’ Will grow in poor, dry soil, but better
A. millefolium flowering when even moisture ‘Summer Wine’ Propagate by division or spring seed
A. millefolium ‘Pretty Belinda’
1 Artemisia spp. = Wormwood
200 – 400 species of herbs and shrubs known for oils
Temperate climates of both hemispheres
Name honors Artemisia, the Divide every 2 or 3 years or when center dies mythological wife and sister of out. Spring or fall. Mausolus Spreading root division. Name associated with the moon goddess Artemis
Artemisia Artemisia spp.
Full sun, dry conditions
Prefers poor soils – fertilizer not
A. ludoyiciani necessary ‘Silver King’ Does not tolerate wet soil in winter
Propagate in spring by division or stem cuttings A. schmidtiana ‘Silver Mound’
Aster spp. = Sunflowers, etc. Divide every year or two for spreading 250-500 species wormwoods like ‘Silver King’ and ‘Valerie native to broad areas of North and Finnis.’ In Spring. South America , Asia , Europe Spreading root division, or remove excess and Aster is derived from ancient Greek dead center. Do not word astron meaning “star” divide woody artemesias.
2 Aster novi-belgii Aster novae-angliae New York Aster New England Aster
Aster novae-angliae Aster novae-angliae Aster dumosus ‘Purple Dome’ ‘Alma Potschke’ ‘Woods Purple’
Asters
Sunny site with rich, moist, well drained soil
Balanced fertilizer in spring and fall
Cutback growing tips once in late spring and again 4 weeks later to encourage branching
Freely self-sows -Remove faded flowers
Divide in spring or fall every couple of years Every year or two to control spread and Seeds do not produce to type – named maintain vigor. Spring cultivars come from division Spreading root division. Replant outer growth and discard the centers of older plants.
Campanula Campanula spp. = Harebells or Blue Bells Bluebells
300 varied species Campanula carpatica ‘white clips’ Native to Carpathian Mountains of Austria
Campanula is of Latin origin meaning “little bell”
Provides color in middle to late summer
More impressive when massed Campanula persifolia Campanula carpatica ‘blue clips’ Excellent cut flowers
3 Campanula spp.
Sunny site, well drained soil, average fertility Feed in spring with well rotted compost and bone meal worked into soil then fertilize 2-3 times during growing season Remove faded flowers to prolong flowering Provide winter protection
Seeds germinate readily but may not Every 2 to 3 years or as the plant becomes reproduce true crowded. Spring or early fall. Divide in early spring or August Spreading root division.
Centaurea spp. Centaurea cyanus Centaurea spp. = Mtn. Bluet or Cornflower Bachelor Buttons
~ 500 species
Native to Mediterranean region and Near East
Greek – “centaur” means “famous for healing” Centaurea montana
Legend, the centaur Chiron used the plant to heal his wounds
Centaurea spp. Chrysanthemum spp. = ‘Mums’
Full sun to light shade Diverse group – over 200 species of Poor to average fertile soil that is moist and annuals and perennials well-drained Native to Persia Rich soil – may become straggly Name is derived from Greek chrysos Thin new shoots to increase air circulation meaning “gold” and anthos meaning Divide in spring or late summer every 2-3 years “flower” Deadhead to prolong blooming and prevent self-sowing – cut back to basal growth at end of flowering for fall blossoms Bottomless flower pot to prevent spread
4 Leucanthemum x superbum Shasta Daisy
Now perennials have been botanically reclassified into various genera
L. Superbum ‘Gold Rush’ Leucanthemum x superba = Shasta Daisy
L. Superbum ‘Becky’ Tanacetum coccineum = Painted Daisy
Tanacetum coccineum Leucanthemum x superbum Painted Daisy
Full sun, tolerates partial shade
Moist, rich, well-drained soil, neutral pH
Heavy feeder, fertilize 3-4times/growing4 times/growing season
Keep well watered, mulch heavily
Divide in fall every 2-3 years Tanacetum coccineum Protect from heaving in winter (in some ‘Robinson’s Red Scarlet’’ Tanacetum coccineum parts of the state.) ‘Robinson’s Mixture’’
Tanacetum coccineum
Full sun, tolerating light shade for part of day Rich, well-drained soil with lots of organic matter Avoidld wet soil in winter Heavy feeder, fertilize regularly Cut back after flowering to encourage rebloom Every year or two. Spring.
Divide late summer every 3-4 years Spreading root division. Protect from heaving during winter
5 Coreopsis spp. Tickseed Coreopsis spp. = Tickseed
< 100 species
Native to Africa, North and South America Coreopsis lanceolata Greek – “coris” meaning “bug” and ‘Sterntaler’ “opsis” meaning “similar to” because the seeds resemble certain insects
Petals have toothed tips Coreopsis ‘Jethro Tull’
Coreopsis spp.
Full sun
Average, light, well-drained soil
Overly fertile soil causes floppy growth
Deadhead daily to keep constant bloom
Shear plants by one-half in late spring Every 1 or 2 years to maintain vigor. Spring or for compact growth fall. Blooms early to late summer Spreading root division. Discard weak center.
Echinacea purpurea Coneflower Echinacea spp. = Coneflower
Three species of perennial herbs closely related to Rudbeckia ‘Magnus’ “EchinosEchinos” meaning “hedgehog” referring to the sharply pointed ‘Sunrise’ receptacle bracts
Native to fields and open woods in central United States
‘After Midnight’ ‘Pink Parasol’
6 Echinacea spp.
Thrives in sunny, windy sites
Tolerates light shade
Warm, rich, loamy, soil that is well drained in winter, wet soils lessen winter hardiness
Balanced fertilizer in early spring Every 4 years. Spring or fall.
Divide every third spring Spreading root division.
Bearded Iris Iris spp.
200 species of monocots native to Northern Temperate region Greek mythology – Iris was Juno’s messenger who traveled the rainbow between heaven ‘Paul Black’ ‘Beverly Sills’ and earth Botanically divided into bulbous species and rhizomatous species 12 Classes include: Tall Bearded, Dwarf Bearded, Intermediate; Japanese; Siberian; Bulbous; Beardless; and Crested ‘Golden Panther’ ‘Crowned Heads’
Bearded Iris
Full sun promotes erect stalks
Average well drained soil, using lime if too acid
Transplant rhizomes in July/August, 1 inch deep Every 3 to 4 years. After flowering up to Trim foliage back to 4-6 inches September.
Rhizome root division.
7 Iris ensata Japanese Iris Japanese Iris
Rich, acid soil that retains moisture throughout growing season
Lime is fatal
Plant in spring or late summer, 1 inch deep
Yellow foliage may result from planting too deeply and/or insufficiently acid soil
Siberian Iris Siberian Iris
‘King of Kings’ Tolerant of poor soils Does best in rich, moist, slightly acid soil
‘Silver Edge’ Rhizomes are small, tough and fibrous
Plants vigorous and relatively pest free
‘Shall We Dance’
Oenothera spp. Oenothera spp. = Sundrops Sun Drops
~ 80 species widely distributed throughout Western Hemisphere Greek “oinos” means wine, “thera” means taste” Legend - roots of certain species induce a thirst for wine ‘Glowing Magenta Young roots can be eaten, shoots used in salad Infusion prepared from plant has astringent and sedative properties
8 Oenothera spp. Phlox spp. = Phlox
Prefers full sun, tolerates light shade ~ 60 species of annual and perennial
Rich, deep, well-drained soil herbs
Poor drainage in winter – will winter kill Greek “phlego” means “flame”
Balanced fertilizer in spring Native primarily to North America
Remove flowers to prolong flowering One of North America’s finest native plants Light winter mulch in north
Phlox Phlox spp.
Full sun although bluish flowered forms deteriorate under hot sun
‘Star Fire’ Deep, well-drained, fertile soil with ample organic matter
Super phosphate encourages deep rooting
Thin clumps when 4-6 inches high to encourage large flower clusters
‘Shortwood Pink’ Cut off faded flowers to promote lateral branching
Divide every 4-5 years
‘Laura’ ‘David’
Rudbeckia spp. Black-Eyed Susan Rudbeckia spp. = Black-eyed Susan
~ 25 species of herbs R. nitida
Native to North America
Genus name honors Olof Rudbeck and Son, Swedish botanists R. fulgida
An abundance on rangelands indicates good health
R. hirta
9 Rudbeckia spp.
Full sun, although tolerate light shade
Well drained soil, average fertility
Tolerate dry conditions
Balanced fertilizer each spring
Divide every three years
Every 3 to 4 years. Early spring or fall.
Spreading root division.
Sedum Sedum spp. = Stonecrops Stonecrop
600+ species of succulent, mostly hardy
perennial herbs Sedum kamchaticum
Latin “sedo” means “to it”
“Stonecrop” refers to living on or ‘Frosty Morn’ around rocks and stony ledges
‘Autumn Joy’
Sedum spp.
Species differ in their requirements
Full sun, tolerate partial shade
Average fertility, very well drained and neutral to alkaline soil
Divide in spring when needed
Prune back ‘Autumn Joy’ by one-half,
insert parts into soft soil For plant increase. Spring.
Low growers made good groundcovers Clump divisions.
10 Perennials for Shade
Lambs-ear (Stachys byzantina)
Divide every 2 to 3 years. Spring or early fall.
Spreading divisions. Discard weak centers.
Dicentra formosa Dicentra ‘Luxuriant’ Bleeding Heart Dicentra spp. = Bleeding Heart
~ 300 species
Native to North America and Asia ‘Alba’
Greek dis means “two” and kentron
means “spur” because corolla is spurred Dutchman’s Breeches
Bleeding Heart – shape of pink flower with drop
‘Candy Heart’
Dicentra spp.
Partial shade or full sun. If full sun, needs adequate moisture during growing season
Rich, light, moist, well-drained soil
Mulch with organic material in spring
Apply balanced fertilizer in early spring Rarely needs division. Early spring. Fleshy root division. Be gentle with brittle Divide in early spring. Sow seeds in August and September roots.
11 Geranium ‘Rozanne’ 2008 Perennial Plant Association Plant of Geranium spp. = Cranesbill the Year
Over 300 species of annual and perennial herbs
Native to Turkestan, India and Tibet
Greek geranos meaning “crane” – the beaked fruit’s resemblance of a crane’s bill
Geranium spp. Cranesbill Geranium spp.
Full sun, partial to light shade G pratense ‘Midnight Reiter’ Dislike hot weather
‘Johnson’s Blue’ Average fertility with good drainage Divide in spring
Shear after blooming for second set of flowers G sanguineum Cultivars will not seed true
Borders, shrub plantings, rock gardens
Hemerocallis spp. = Daylily
15 species of clump forming, monocot perennial herbs Native to Central Europe, China and Japan Greek Hemera means “day ” an d kllkallos means “beauty” Named by Linnaeus Known since Chinese advocated eating petals
Every 2 to 4 years. Spring or fall. to ease pain Integral part of Chinese diet Spreading root division.
12 Hemerocallis spp. Daylily Hemerocallis spp.
Any light from full sun to full shade, although fewer flowers in shade
Fertile, moist, well drained soil
Feed in spring and mid-summer for best blooms
Divide every 2 to 3 years
Every color except blue and pure white – although close
Hosta spp. = Hosta or Funkia
40 species of monocot perennial herbs
Native to Japan
Named after Nicolaus Thomas Host, a 19th century Austrian physician
Every 3 to 6 years or as desired to increase stock. Spring, summer or fall. Ideal time is after bloom is finished.
Divide fleshy roots into segments with roots. Divisions with three or more shoots will bloom sooner.
Hosta Hosta spp.
Light to partial shade but will grow in full shade Fertile,,, moist, well drained soil – mulch will help Division can be done every few years in spring or summer Look good planted by themselves and in groupings
‘Christmas Cookies’ In groups vary leaf size and color
13 Lamium spp. = Dead nettle
40-50 flowering plants
Native to Europe, Asia and north Africa
Common name (dead nettle) comes from slight resemblance to stinging Rarely need division and will reach their best form if not nettles divided too often. They can be divided as needed for plant increase. Early spring or early fall. Frost hardy, grow in most soils
Fleshy root division. Divide into clumps with one to three eyes. A wedge can be taken from an established plant, which will soon fill back in.
Lamium spp. Dead Nettle Monarda spp. = Bee Balm
~ 12 species of annual and perennial aromatic herbs ‘Ghost’ Native to North America and Mexico Namedfd for Nico las Monard es, Spanish ‘White Nancy’ physician and botanist of the 16th century “Oswego Tea” from John Bartram who discovered that early settlers steeped leaves to brew tea near Oswego, New York
‘Purple Dragon’ Indians “O-gee-cheer” meaning “fiery flower” ‘Beacon Silver’
Mondarda didyma Bee Balm Monarda spp.
Shaded, moist, well-drained site
Will grow in full sun if adequate moisture
Apply balanced fertilizer regularly
Remove faded flowers to prolong ‘Garden View Scarlet’ flowering
‘Pink Lace’ Divide in spring Seeds will vary in flower color
14 Every 3 years to control rampant growth. Spring or fall.
Spreading root division.
15