Extracted Text
Extracted from the original source file.
Slide 1
LHAP 304 S.H.P. -
Sunny and drier / well drained soils
Presentation by E. Kawahara
Slide 2
The CARYOPHYLLACEAE Family
The Carnation Family
A few members you may have heard of:
Chickweed
Pinks (Dianthus)
Carnations
Baby’s Breath
Soapwort
Rockwort
Somewhat standard characteristics:
Swollen Nodes
Opposite leaves
Prefer Alkaline pH
Slide 3
Split (clawed) petals = delicate flowers
Fruit usually capsule
Slide 4
Cerastium tomentosum - Snow in Summer
Origin: Mountains of Europe (Italy)
Hardiness Zone: 1
Exposure: Full Sun
Soil Conditions: Dry, Sandy soils (very well adapted)
Significant Features...
Slide 5
Cerastium tomentosum - Snow in Summer
Slide 6
Cerastium tomentosum
Snow in Summer - Identifying Features
FOLIAGE:
Texture - Very fine, Tomentose leaves
Colour - Silvery - white
Other - Evergreen
Slide 7
Cerastium tomentosum
Snow in Summer - Identifying Features
Flower:
Type - Loose Cyme
Colour - White
Season of Bloom: Early- Mid Summer
Slide 8
Cerastium tomentosum
Snow in Summer- Identifying Features
FORM:
Height and Spread - 15 cm (6”) x 60 cm (24”)
Root Type - Fibrous
Shape - Mat forming but not invasive
Slide 9
Cerastium tomentosum
Snow in Summer
Landscape Use:
Drier sites
Rock / Alpine Gardens
Mass Plant
Slide 10
Cerastium tomentosum
Snow in Summer
Maintenance Considerations:
Easy to cut back to desired space
Shear flowers to prevent seed heads
Not necessary in low maintenance applications
Do not disturb too much or ugly stems will be exposed
Slide 11
Which plants do you recognize here, and what maintenance do you suggest?
Slide 12
Slide 13
Same Family… second Species...
Slide 14
Dianthus plumarius
Dianthus/Cottage Pinks
Origin: Europe
Hardiness Zone: 2
Exposure: Full Sun
Soil Conditions: well drained, slightly alkaline
Significant Features...
Slide 15
Dianthus plumarius
Cottage Pink
Slide 16
Dianthus plumarius
Dianthus/Cottage Pinks
FOLIAGE:
Texture - Very Fine, strong midrib
Colour - Glaucous, silver blue.
Other - Grassy texture helps differentiate it from other Dianthus.
Slide 17
Slide 18
Dianthus plumarius
Dianthus/Cottage Pinks
FORM:
Height and Spread - 25 - 45 cm (10”) x 30 - 45 cm (12”)
Root Type - Fibrous and strong
Shape - Fairly rounded, mat forming groundcover
Slide 19
Dianthus plumarius
Dianthus/Cottage Pinks
Flower:
Type - Solitary with fringed petal ends.
Colour - All pinks (from blush to nearly red), light purple and white
Season of Bloom - May to July
Slide 20
Slide 21
Dianthus plumarius
Dianthus/Cottage Pinks
Landscape Use:
Edging, Groundcover, Rock Garden
Attracts Butterflies
Decorative for cakes etc.
Slide 22
Dianthus plumarius
Dianthus/Cottage Pinks
Maintenance Considerations:
Possibly some leaf spot
Requires snow-cover
Plant cover protects crown, do not cut back in fall
Possibly shear after 1st bloom
Can get a little out of control if not watched.
Slide 23
Planting Bed Overhaul - note the weeds.
The grass-like ground cover is Dianthus.
Slide 24
Caryophyllaceae Family AGAIN!
Slide 25
Saponaria officinalis
Soapwort
Origin: Native in Europe and Asia
Hardiness Zone: 2
Exposure: Full sun
Soil Conditions: Widely adapted
Slide 26
Saponaria officinalis - Soapwort
FOLIAGE:
Texture - Fine textured, entire margins
Colour - light green
Other - unremarkable, Evergreen
FORM:
Height and Spread - 15 cm x 45 cm
Growth habit - Mat forming
Shape - Ground cover
Slide 27
Saponaria officinalis - Soapwort
Flower:
Type - CARYOPHYLLACEAE! 5 petals (no lobes), hairy sepals
Colour - Pink
Season of Bloom - Spring/Early Summer
Slide 28
Saponaria officinalis - Soapwort
Landscape Use:
Behind retaining walls
Rock gardens
Spring interest
Accent plant
Maintenance:
May need to shear finished flower heads in high maintenance settings
Slide 29
Photo - Parkland Garden Centre June 2025.
Full sun, protected sedum bed.
Slide 30
CRASSULACEAE
Stonecrop Family
Sedum groundcovers
Hylotelephium species
Sempervivum
Slide 31
Family Characteristics
Frequently succulent herbs to shrubs
Flowers with sepals and petals numbered equally
Leaves fleshy
Genera include: Crassula, Echeveria, Kalanchoe, & Sedum
Slide 32
Hylotelephium erythrostictum - Showy Stonecrop
Origin: Mediterranean, North Africa, South America - many are hybrids
Hardiness Zone: 3
Exposure: FULL SUN
Soil Conditions: Well drained soils
Slide 33
Slide 34
Hylotelephium erythrostictum - Showy Stonecrop
FOLIAGE:
Texture - Simple, opposite, fleshy, mostly entire or slightly toothed.
Colour - Variable by cultivar - green, burgundy
Other - Fleshy stems
Slide 35
Hylotelephium erythrostictum - Showy Stonecrop
FORM:
Height and Spread -
45-60 cm x 45-60 cm - mid size
Growth Habit - Clumping upright
Slide 36
Hylotelephium erythrostictum - Showy Stonecrop
Flower:
Type - Cyme on terminal inflorescence, extruding stamens, star shaped
Colour - Typically pinks & reds. Sometimes white.
Season of Bloom - “Tall in Fall”
Slide 37
Hylotelephium erythrostictum - Showy Stonecrop
Landscape Use:
Rock Gardens
Dry sites
Late season Colour
Butterfly/Bee gardens
winter interest
Cut flowers
Slide 38
Winter interest - collection of snow and frost…
Slide 39
Hylotelephium erythrostictum - Showy Stonecrop
Maintenance Considerations:
No serious problems
Do not overwater/overlove
Slide 40
Another CRASSULACEAE - The “real” sedum
Slide 41
Sedum Species - Sedums
Origin: Mediterranean, North Africa, South America
Hardiness Zone: 3 - 4
Exposure: FULL SUN
Soil Conditions: Well drained soils
Slide 42
Note:
Red Fall colour with elongated leaves
Blue Spruce
Lower growing green foliage
Red rosettes in lower right side
Slide 43
Sedum Species - Sedums
FOLIAGE:
Texture - Simple, opposite, fleshy, mostly entire or slightly toothed. Shapes variable
Colour - Variable by cultivar - chartreuse, green, blue, burgundy or a mix.
Other - Fleshy stems
Slide 44
Sedum Species - Sedums
FORM:
Height and Spread -
10-15 cm x 30+ cm for groundcovers
Growth Habit - slowly spreading groundcovers.
Slide 45
Sedum Species - Sedums
Flower:
Type - Cyme on terminal inflorescence, extruding stamens, star shaped
Colour - Yellow/Orange, sometimes maybe pink.
Season of Bloom - Early summer
Slide 46
Slide 47
Sedum Species - Sedums
Landscape Use:
See note on green roof use
Rock Gardens
Dry sites
Late season Colour
Slide 48
Sedum Species - Sedums
Maintenance Considerations:
No serious problems
Do not overwater/overlove
Spring cleanup, blow out leaves only.
Slide 49
CRASSULACEAE Family again…
Slide 50
Sempervivum tectorum
Hens and Chicks
Origin: Native to Mountains of South Europe
Hardiness Zone: 2
Exposure: Full sun
Soil Conditions: Prefers shallow, dry, well drained sites. Will rot if kept too wet.
Slide 51
Sempervivum tectorum - Hens and Chicks
FOLIAGE:
Texture - Coarse (to touch), impact may be relatively fine.
Leaves in rosettes, glabrous
Colour - Typically green, now reds and webs!
Other - Bristle-tips, Evergreen
Slide 52
Sempervivum tectorum - Hens and Chicks
FORM:
Height and Spread - 15 cm x 30 cm
Growth habit - spreading
Other - “Hens” and “Chicks” connected by umbilicals
Slide 53
Sempervivum tectorum - Hens and Chicks
Flower:
Type - Paniculate cyme rising far above foliage (some consider it unsightly)
Colour - Pink, typically.
Season of Bloom - Mid Summer
Other - Comes from the “Hens” which may die after.
Slide 54
Full sun location - raised planter (Yucca in the background).
Inflorescence rising from center of hen.
Slide 55
Inflorescence rising from centre of plant…
Slide 56
Slide 57
Sempervivum tectorum - Hens and Chicks
Landscape Use:
Front of border
Dry gardens/Shallow soil
Planters
Alpine Garden
Green roof
Slide 58
Sempervivum tectorum - Hens and Chicks
Maintenance Considerations:
Remove spent inflorescence with pruning shears so you don’t pull the plant apart.
Root systems rot in wet conditions
Avoid overhead watering in afternoons (soil stays wet)
Slide 59
Slide 60
EUPHORBIACEAE
Spurge Family
Slide 61
Family Characteristics
Colourful bracts
Flowers regular
Milky sap
Slide 62
Euphorbia polychroma
Cushion Spurge
Origin: Eastern Europe
Hardiness Zone: 2
Exposure: Full Sun
Soil Conditions: Well drained, infertile soil, drought tolerant once established.
Slide 63
Euphorbia polychroma - Cushion Spurge
FOLIAGE:
Texture - Leaves alternate, sessile or short petiole, oblong to ovate. Pubescent.
Colour - Species is green, new cultivars red
Other - Fall colour red
Slide 64
Euphorbia polychroma - Cushion Spurge
FORM:
Height and Spread - 30-45 cm x 45-60 cm
Growth Habit - Can spread
Shape - Compact Mounds in early season
Slide 65
Euphorbia polychroma - Cushion Spurge
Flower:
Type - Cyme. Apetalous, pistil and stamen fused. SHOWY BRACTS
Colour - Bracts are yellow
Season of Bloom - Late Spring/Early Summer
Other - Fruit also turns red in Fall
Slide 66
Euphorbia polychroma - Cushion Spurge
Landscape Use:
Spring/Fall interest
Round form
Mass plant or accent
Slide 67
Euphorbia polychroma - Cushion Spurge
Maintenance Considerations:
Cut back mid summer for a second show (Falls open)
May spread (seed?)
Slide 68
Slide 69
Slide 70
Note flower time parallels: German Iris and Oriental Poppy are just starting. Periwinkle is in full bloom. Cushion spurge and Creeping Thyme are just starting.
Slide 71
XANTHORRHOEACEAE
ASPHODELACEAE (new)
The Aloe Family
Leaves: distichous (stacked alternately in rows)
Inflorescence: Terminal panicle
Flower Parts: In threes
Slide 72
XANTHORRHOEACEAE Hemerocallis cvs. - Daylily
Origin: Europe, China, Japan
Hardiness Zone: 2
Exposure: Part Shade - Full Sun
Soil Conditions: Moisture holding, well drained soil.
Significant Features...
Slide 73
Hemerocallis cvs.
Daylily
Slide 74
Hemerocallis cvs.
Daylily- Identifying Features
FOLIAGE:
Texture - medium textured, Strap-like monocot
Colour - Green
Other - Leaves are keeled in a cross section.
Slide 75
Hemerocallis cvs. - Daylily - Identifying Features
Flower:
Type - Trumpet shape on a scape
Colour - Wide Range from nearly white to deep red
Season of Bloom - Summer
Other - Blooms last one day, but plants bloom profusely (10 days +)
Slide 76
Slide 77
Hemerocallis cvs. - Daylily- Identifying Features
FORM:
Height and Spread - variable by cv.
Root Type - Tuber
Shape - Arching vase, clump forming.
Slide 78
Left: The original daylily - note the coarse texture, and the packed shale keeping it in place…
Below: Daylilies aren’t usually abuzz, but they do still get visited by some pollinators
Slide 79
Hemerocallis cvs.
Daylily
Landscape Use:
Anywhere in landscape
En Masse or Specimen
Industrial / Commercial sites
Good Filler
Competes with tree roots, shrubs, and goutweed!
Slide 80
Slide 81
Hemerocallis cvs.
Daylily
Maintenance Considerations:
Post Transplant and post freeze, plants collapse
Cut back in fall
Deadhead
Slide 82
Next to a Japanese Spirea, creating a foundation for an analogous colour scheme…
Slide 83
Thriving in a west facing, dry (note the lack of mulch) bed… what else do you recognize around them?
Slide 84
LAMIACEAE Family
Slide 85
Stachys byzantina
Lamb’s Ears
Origin: Iran/Turkey/Armenia
Hardiness Zone: 2
Exposure: Full sun (or no hairs)
Soil Conditions: Well drained soil, tolerates some drought.
Slide 86
Stachys byzantina - Lamb’s Ears
FOLIAGE:
Texture - Simple, basal, opposite attached, petiolate. Oblong - rugose surface.
Colour - Green with lots of fine white hairs (densely tomentose)
Other - Semi-evergreen
FORM:
Height and Spread - Foliage = Groundcover 15 cm x 30 cm
Inflorescence rises to 60 cm+
Growth Habit - Can spread aggressively and clump densely
Slide 87
Stachys byzantina - Lamb’s Ears
Flower:
Type - Spike, LAMIACEAE flower Verticillaster cymes
Colour - Pink
Season of Bloom - Mid summer - Frost
Other - Flowers very small, does not contribute to overall aesthetic.
Slide 88
Stachys byzantina - Lamb’s Ears
Landscape Use:
Front of border (if flowers to be removed)
Mass Planting
Rock/Alpine Gardens
Sensory garden - touch
Attracts bees
Deer and rabbit browse resistant.
Slide 89
Stachys byzantina - Lamb’s Ears
Maintenance Considerations:
Consider cutting off flowers
Note lawn invasion!
Rots in heavy soils
Remove spent inflorescence
Slide 90
LAMIACEAE Family
Slide 91
Thymus species- Thyme
Origin: Greenland, Scandinavia
Hardiness Zone: 2
Exposure: Full Sun
Soil Conditions: Thrives in poor soils
Slide 92
Thymus species- Thyme
FOLIAGE:
Texture - Very fine, opposite attachment, margins entire, simple leaves, nearly sessile
Colour - Green
Other - Leaves aromatic and edible.
FORM:
Height and Spread - 5-15 cm x 60 cm height varies by species.
Growth Habit - vigorous, stoloniferous mat in full sun.
Slide 93
Thymus species- Thyme
Flower:
Type - Verticillaster cymes (like Lamb’s Ears but prettier and smaller)
Colour - rose-purple
Season of Bloom - Early Summer primarily
Slide 94
Slide 95
Thymus species- Thyme
Landscape Use:
Groundcover
Use between flagstones
Mother-of-Thyme - sensory garden (smell and taste)
Alpine Garden
Water substitute in landscape design
Green Roof
Slide 96
Thymus species- Thyme
Maintenance Considerations:
Treat as Evergreen.
Keep Broadleaf weeds out!
Shear spent Creeping Thyme Flowers in high maintenance gardens
Slide 97
Noted Feb 2024 - all of the Creeping Thyme in these beds had been uncovered with numerous deer tracks… aromatherapy pillow? Or maybe they like more flavourful food?!
Slide 98
Notice the bloom times (Hawthorn & Iris & Columbine in the background).
Slide 99
PRIMULACEAE
Primula Family
Slide 100
Family Characteristics
Herbs / slightly woody
Basal/opposite leaves (sometimes whorled)
Prefers moist to aquatic sites
Flowers often in terminal clusters
Fruit is a capsule
Slide 101
Primula - Primula / Primrose
Origin: Europe/North America
Hardiness Zone: 2 - 3
Exposure: Part Shade to full sun
Soil Conditions: Moist, highly organic soils - some can be wet; others require drainage
Slide 102
Primula - Primula / Primrose
FOLIAGE:
Texture - Simple, basal, variable by species
Colour - Green
Other - Some may be hairy, some smooth...
FORM:
Height and Spread - 15-60 cm x 25-30 cm
Growth Habit - Low mounding rosette
Shape - Round
Slide 103
Slide 104
Slide 105
Slide 106
Primula - Primula / Primrose
Flower:
Type - Typically Umbels, may be solitary
Colour - EVERY colour, often yellow centers
Season of Bloom - Early spring - Early summer
Slide 107
Primula - Primula / Primrose
Landscape Use:
Front of bed
Groundcover
Small groupings
Naturalized area
Shady site
Slide 108
Slide 109
Primula - Primula / Primrose
Maintenance Considerations:
Low maintenance plant in correct growing conditions
Trim finished inflorescences and then leave it alone
Make sure to plant with other later season plants
Do not allow to go to seed if you don’t want it to spread.
Slide 110
All 6 of these classic shade plants are LHAP curriculum plants!
Slide 111
ID Review
Which of these flowers do you recognize from ID over the years…
Slide 112
There are 3 (maybe 4) third year plants,
1 (maybe 2) second year plants,
1 First year plant
Slide 113
Identify the Tree…
Native Lady’s Slippers are the yellow flowering plant.
Look for:
Siberian Iris
German Iris
Arctic (?) dwarf iris
Hosta
Columbine
Lily
Daylily
Peony
Oriental Poppy
Slide 114
What do you recognize?
Slide 115
Slide 116
Designing with Colour
Cool Colours vs Warm Colours
Different emotional responses
Pushes the horizon away or brings it near
White is free, but creates holes
Limit your designs to 3 colours
Analogous schemes vs Complimentary vs Monochrome
Schemes may change with the seasons (advanced skill)
Slide 117
Slide 118
Slide 119
Slide 120
Slide 121
Slide 122