Horticulture II Plant ID Week 7

A STILBE cv. Astilbe Hybrids Herbaceous Perennial Groundcover Growth Habit – H: 12-18” – W: Spreading Part Shade - Shade

Arrangement and composition: – Basal and Compound Shape – Elliptical – Length 1-1 ½ ” – Width ½ ” Margin – Serrated Veins – Pinnate A STILBE cv. Astilbe Hybrids

Flower – Panicle – Spring (May) – Red-White-Pink Fruit – A brown tiny seed where flowers were into late fall A STILBE cv. Astilbe Hybrids

Leaflets are opposite with 1 terminal leaflet Stem and leaves have hirstute (bristly) hairs

BUDDLEIA DAVIDII Butterfly Bush Semi-Deciduous Perennial Shrub Growth Habit – H: 6 - 8’ – W: 4 - 6’ Sun - Part Sun

Arrangement and composition: – Opposite and Simple Shape – Linear - Ovate – Length 3-4” – Width 1” Margin – Finely Serrated Veins – Pinnate BUDDLEIA DAVIDII Butterfly Bush

Flower – July-Frost – 4-10” Panicle – Purple, white, red, pink – Fragrant Fruit – Cluster BUDDLEIA DAVIDII Butterfly Bush

BUDDLEIA DAVIDII Butterfly Bush Cultural Practices Bloom occurs on current season’s growth Prune yearly

G IBASIS PELLUCIDA Tahitian Bridal Veil Indoors- perennial; Outdoors- annual Vine – Height: NA – Width: NA Diffuse Light

Arrangement and composition: – Alternate and Simple Shape – Linear – Length ½ ” – Width ¼ ” Margin – Entire Veins – Parallel G IBASIS PELLUCIDA Tahitian Bridal Veil

Flower – White Fruit – Inconspicuous G IBASIS PELLUCIDA Tahitian Bridal Veil

Underside of leaf shows minute lines of white dots

G YNURA AURANTIACA Velvet Plant Interior perennial; Exterior Annual Vine-like – Height: 8-12” – Width: 12-20” Sun - Part Shade

Arrangement and composition: – Alternate and Simple Shape – Elliptical – Length 3-4” – Width 1 – 1 ½ ” Margin – Serrated Veins – Pinnate GYNURA AURANTIACA Velvet Plant

Flower – Yellow – Offensive Odor Fruit – White/Gray – Similar to dandelion G YNURA AURANTIACA Velvet Plant

Hydrangea macrophylla Hydrangea Deciduous perennial Shrub Growth Habit – Height: 3’ – Width: 3’ Part Sun - Shade

Arrangement and composition: – Opposite and Simple Shape – Ovate – Length 6” – Width 3” Margin – Serrated Veins – Pinnate Hydrangea macrophylla Hydrangea

Flower – White, Pink, TRUE Blue, Purple – Spring Fruit – Brown Capsule Hydrangea macrophylla Hydrangea

Hydrangea macrophylla Hydrangea Culture Pinks and blues affected by pH of soil. Alkaline = Pink and Acidic = Blue (has to do with availability of aluminum at low pH)

Iberis sempervirens Evergreen Candytuft Evergreen Perennial Groundcover Growth Habit – Height: 4” – Width: 18” Sun - Part Shade

Arrangement and composition: – Alternate and Simple Shape – Linear – Length 1” – Width 1/8” Margin – Entire Veins – Pinnate Iberis sempervirens Evergreen Candytuft

Flower – Spring – White – Umbel (cluster of flowers); each flower has 4 petals 2 smaller Fruit NA Iberis sempervirens Evergreen Candytuft

Horticulture I Week 7 Review

J UNIPERUS CONFERTA Shore Juniper

ILEX X ATTENUATA ‘Fosteri’ Fosteri Holly

I LEX X ATTENUATA ‘Savannah’ Savannah Holly

I LEX VOMITORIA ‘ N ANA’ Dwarf Yaupon Holly

Ilex crenata ‘Helleri’ Helleri Holly

Juniperus horzontalis ‘Plumosa’, ‘Bar Harbor’, or ‘Wiltonii’ Creeping Juniper