<i>Hydrangea </i>plant named ‘SMNHPPH’

Abstract

A new and distinct cultivar of Hydrangea plant named SMNHPPH is disclosed, characterized by full, dense panicles, dark leaves and strong stems. Plants are more compact, and produce interesting deep pink flower color in the Fall. The new variety is a Hydrangea, normally produced as an ornamental plant.

Claims

1. A new and distinct cultivar of Hydrangea plant named SMNHPPH as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) SMNHPPH is illustrated by the accompanying photographs which show the plant's form, foliage, and inflorescences. The colors shown are as true as can be reasonably obtained by conventional photographic procedures. Colors in the photographs may differ slightly from the color values cited in the detailed botanical description, which accurately describe the colors of the new hybrid Hydrangea. Age of the plants photographed is between 2 to 3 years.

(2) FIG. 1 shows plants of SMNHMP grown outdoors in Grand Haven, Mich. during mid-Summer. Plants have both white and pink flowers.

(3) FIG. 2 shows a close-up view of the mature inflorescence during late Summer.

(4) FIG. 3 shows the early Summer color of an inflorescence color on a plant grown outdoors in Grand Haven, Mich. in 2019.

DETAILED BOTANICAL DESCRIPTION

(5) In the following description, color references are made to The Royal Horticultural Society Color Chart 2015 except where general terms of ordinary dictionary significance are used. The following observations and measurements describe SMNHPPH plants grown in a commercial poly greenhouse in Grand Haven, Mich. under natural lighting. Measurements were taken during Summer of 2019. The plants were about 4 years old planted in the ground. The growing temperature ranged from 5 C. to 27 C. Measurements and numerical values represent averages of typical plant types. Botanical classification: Hydrangea paniculata SMNHPPH.

PROPAGATION

(6) Time to initiate roots: Approximately 18 days. Time to produce a rooted young plants: Approximately 60 days. Propagation method: Softwood cuttings.

PLANT

(7) Plant type: Flowering deciduous perennial shrub. Age of plant described: Approximately 2 to 3 years old. Growth habit: Upward and slightly outward. Overall plant shape: Upright. Height: 38 cm. Plant spread: 49 cm. Growth rate: Good. Plant vigor: Moderate. Branching habit: Basal, upward. Length of primary lateral branches: 23 cm. Diameter of lateral branches: 4 mm. Quantity of lateral branches: 10. Stem: Stem shape.Round. Stem strength.Strong. Color.Immature: RHS Green 143C. Mature: RHS Greyed-Green 198B. Pubescence.Some. Aspect.0 to 45. Internode length: 1.5 cm. Root description: Moderately dense, thick main roots with fine, fibrous secondary roots. Main roots colored near Brown 200D, secondary roots near Yellow-White 158D.

FOLIAGE

(8) Leaf: Arrangement.Opposite. Leaf shape.Elliptic. Average length.6 cm. Average width.2.5 cm. Apex.Acuminate. Base.Obtuse to cuneate. Margin.Serrulate. Texture of top surface.Rough pubescence. Texture of bottom surface.Smooth, coriaceous. Leaf pubescence.Upper side. Color.Young foliage upper side: RHS Green 137B. Young foliage under side: RHS Yellow-Green 146B. Mature foliage upper side: RHS Green NN137A. Mature foliage under side: RHS Green 147B. Venation.Pattern: Pinnate. Color upper side: RHS Yellow-Green N144A. Color under side: RHS Yellow-Green 144D. Petiole.Average Length: 5 mm. Diameter: 1 mm. Petiole color upper side: RHS Yellow-Green N144C. Petiole color lower side: Between RHS Yellow-Green 144C and 144D. Petiole Texture upper side: Some pubescence. Petiole Texture lower side: Smooth.

FLOWER

(9) Natural flowering season: Summer. Inflorescence: Type.Mophead. Quantity of flowers per inflorescence.Fertile flowers: Hundreds. Sterile flowers: Approximately 200. Persistent or self-cleaning.Persistent, self-cleaning after several weeks. Longevity.Individual flowers stay fresh on the plant for about 2 weeks. Inflorescences are ornamental for several weeks. Fragrance.None detected. Panicle: Shape.Panicle. Height.11 cm. Diameter.11 cm. Sterile flower: Bud shape.Orbicular and lobed. Bud length.2 mm. Bud diameter.2 mm. Bud color.RHS Green-White 157C. Flower aspect.Outward. Flower shape.Cruciform. Flower length.3 mm. Flower diameter.3 mm. Persistence.Persistent. Sterile flower petals: Petal arrangement.Cruciform. Quantity.4. Length of petal.1.5 mm. Width of petal.1 mm. Apex.Acute. Shape of petal.Triangular. Petal margin.Entire. Petal base.Truncate. Petal texture.Smooth, upper and under side. Color.Upper surface at first opening: RHS White NN155A. Under surface at first opening: RHS White N155A. Upper surface at maturity: RHS White N155A. Under surface at maturity: RHS White N155A. Sterile flower sepal: Arrangement.Cruciform. Number.4. Shape.Elliptic. Tip.Rounded to obtuse. Base.Acute. Margin.Entire. Length.1.7 cm. Width.9 mm. Texture, upper.Slightly leathery. Texture, lower.Slightly leathery. Color.Upper surface at first opening: RHS Green-White 157C. Under surface at first opening: RHS Green-White 157C. Upper surface at maturity: RHS Green-White 157C. Under surface at maturity: RHS Green-White 157C. Upper surface, fading: RHS Yellow-Green 145B with some Greyed-Purple 186B. Under surface, fading: RHS Yellow-Green 145B with some Greyed-Purple 186B. Sterile flower pedicel: Length.2 cm. Diameter.1 mm. Angle.60-100. Strength.Moderate. Texture.Some pubescence. Color.RHS Green-White 157C. Fertile flower: Bud shape.Orbicular and lobed. Bud length.2.5 mm. Bud diameter.2.5 mm. Bud color.RHS Green-White 157D. Flower aspect.Outward. Flower shape.Star shaped. Flower diameter.9 mm. Flower length.9 mm. Persistence.Persistent. Longevity.1-2 weeks. Fertile flower petals: Arrangement.Whorl. Quantity.5. Length of petal.3 mm. Width of petal.1 mm. Apex.Acute. Shape of petal.Triangular. Petal margin.Entire. Petal base.Truncate. Petal texture.Smooth, upper and under side. Color.Upper surface at first opening: RHS White 155C. Under surface at first opening: RHS White 155C. Upper surface at maturity: RHS White 155C. Under surface at maturity: RHS White 155C. Fertile flower sepal: Inconspicuous. Fertile flower pedicel: Angle.Upright. Strength.Strong. Length.1 mm. Width.1 mm. Texture.Smooth. Color.RHS White 155C.

REPRODUCTIVE ORGANS

(10) Sterile flowers: Stamens: Filament length.1 mm. Filament color.RHS Green-White 157A. Anthers: Shape.Globose. Length.<1 mm. Color.RHS Green-White 157A. Pollen color.RHS Greyed-Brown 199D. Pollen amount.Scant. Fertile flowers: Stamens: Number.10. Filament length.4 mm. Filament color.RHS White 155C. Anthers: Shape.Linear. Length.1 mm. Color.RHS Yellow-Green 145A. Pollen color.RHS Yellow-Green 145A. Pollen amount.Scant to moderate. Pistil: Number.1. Length.1 mm. Style.Length: 0.75 mm. Color: RHS Yellow-Green 145A. Ovary color: RHS White 155A and Yellow-Green 145B. Stigma.Shape: Club. Color: RHS Yellow-Green 145A.

OTHER CHARACTERISTICS

(11) Seeds and fruits: None observed. Disease/pest resistance: Neither resistance nor susceptibility to normal diseases and pests of Hydrangea have been observed. Temperature tolerance: USDA Zones 4 to 9.