<i>Hydrangea </i>plant named ‘SMHPS’

Abstract

A new and distinct cultivar of Hydrangea plant named ‘SMHPS’ is disclosed, characterized by lace-cap inflorescences with bright pinkish-red sepals in late summer to fall. Plants have dwarf habits, dark green foliage, and strong, upright stems. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.

Claims

1. A new and distinct cultivar of Hydrangea plant named ‘SMHPS’ as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) The accompanying photograph in FIG. 1 illustrates in full color a typical plant of ‘SMHPS’ grown outdoors in Grand Haven, Mich. This plant is approximately 2-3 years old, grown in a 3-gallon container during late Spring.

(2) FIG. 2 illustrates in full color a plant of ‘SMHPS’ during early Fall, with darker sepal coloration.

(3) The photographs were taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.

DETAILED BOTANICAL DESCRIPTION

(4) In the following description, color references are made to The Royal Horticultural Society Colour Chart 2015, except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘SMHPS’ plants grown outdoors in Grand Haven, Mich. The plants were about 2 to 3 years old. Temperatures ranged from 5° C. to 10° C. at night to 18° C. to 27° C. during the day. No artificial light, photoperiodic treatments were given to the plants. Measurements and numerical values represent averages of typical plant types. Botanical classification: Hydrangea paniculata ‘SMHPS’.

PROPAGATION

(5) Typical method: Softwood cuttings. Root initiation: Approximately 18 days. Time to produce rooted cutting: 60 days during summer. Roots: Thick to thin, freely branching, fibrous, dense. White to brown in color, not accurately measured with R.H.S. chart.

PLANT

(6) Plant shape: Quite upright. Growth habit: Mostly upwards. Height: 50 cm. Plant spread: 35 cm. Pot size of plant described: #3 container. Age of plant described: Approximately 2 to 3 years. Growth rate: Slow to moderate. Plant vigor: Good. Stem: Branching.—Basal. Number of lateral branches.—8 to 10. Shape.—Rounded. Color.—Immature: RHS Yellow-Green N144D. Mature: RHS Yellow-Green N144D with tinges of Greyed-Orange 176A, and Yellow-Green 145D lenticels. Old growth: RHS Greyed-Brown N199B. Length.—45 cm. Width.—1 cm. Aspect.—60 to 80°. Strength.—Strong. Pubescence.—None. Internode length.—4 to 5 cm.

FOLIAGE

(7) Leaf: Arrangement.—Opposite. Shape.—Elliptical. Length.—9 cm. Width.—6.5 cm. Apex.—Acuminate. Base.—Obtuse. Margin.—Very slightly serrulate. Texture of top surface.—Coarse, with fine hairs and pronounced venation. Texture of bottom surface.—Coarse, with fine hairs along veins and mid-rib. Pubescence.—On both sides. Color.—Young foliage upper side: Near RHS Yellow-Green 146A. Young foliage under side: Near RHS Yellow-Green 146B. Mature foliage upper side: RHS Green NN137B. Mature foliage, under side: Near RHS Greyed-Green 191B. Venation: Type.—Pinnate. Color.—Upper side: RHS Yellow-Green N144D with tinges of Greyed-Orange 176A. Under side: Near RHS Greyed-Green 191B. Petiole: Length.—2 cm. Width.—4 mm. Color.—Upper side: RHS Yellow-Green N144D, with tinges of Greyed-Orange 176A. Under side: RHS Yellow-Green N144D, with tinges of Greyed-Orange 176A. Texture.—Upper side: Very slight pubescence. Under side: Very slight pubescence.

INFLORESCENCE

(8) Natural flowering season: Summer. Inflorescence type: Lace-cap. Panicle: Shape.—Upright, cone-shaped, rounded. Height.—10 cm. Diameter.—8 cm. Fragrance: None. Sterile flowers: Flowers per inflorescence.—40 to 50. Aspect.—Upright. Shape.—Round whorl. Length.—2.5 cm. Diameter.—2.5 cm. Depth.—5 mm. Persistent or self-cleaning.—Persistent. Bud: Length.—3 mm. Bud diameter.—3 mm. Bud shape.—Elliptic, obovate. Bud color.—RHS Green-White 157A. Petals: Number per flower.—4. Arrangement.—Stellate. Shape.—Elliptic. Tip.—Acute. Base.—Flat. Margin.—Entire. Length.—3 mm. Width.—2 mm. Texture.—Upper side: Smooth, soft. Under side: Smooth, soft. Color.—When Opening, Upper side: RHS White NN155A. When Opening, Under side: RHS White NN155A. Fully Opened, Upper side: RHS White NN155A. Fully Opened, Under side: RHS White NN155A. Sepal: Number.—4. Arrangement.—Cruciform. Shape.—Reniform. Tip.—Emarginate. Base.—Truncate. Margin.—Entire. Length.—12 mm. Width.—2 cm. Texture.—Upper side: Smooth and soft with some pronounced venation. Under side: Smooth and soft with some pronounced venation. Color.—When Opening, Upper side: RHS Green-Yellow 1D, with tinges of Green-Yellow 1C. When Opening, Under side: RHS Green-Yellow 1D, with tinges of Green-Yellow 1C. Fully Opened, Upper side: RHS White 155A. Fully Opened, Under side: RHS White 155A. Fading, Upper side: RHS Red-Purple 63A. Fading, Under side: RHS Red-Purple 63A. Pedicle: Length.—2 cm. Diameter.—2 mm. Angle.—45°. Strength.—Good, flexible. Texture.—Lightly pubescent. Color.—RHS White 155A. Fertile flowers: Flowers per inflorescence.—300 to 400. Aspect.—Upright. Shape.—Stellate. Length.—6 mm. Diameter.—6 mm. Depth.—4 mm. Persistent or self-cleaning.—Self-cleaning. Bud: Length.—3 mm. Bud diameter.—3 mm. Bud shape.—Elliptic, obovate. Bud color.—RHS Green-White 157A. Petals: Number per flower.—5. Arrangement.—Stellate. Shape.—Elliptic. Tip.—Acute. Base.—Flat. Margin.—Entire. Length.—3 mm. Width.—2 mm. Texture.—Upper side: Smooth, soft. Under side: Smooth, soft. Color.—When Opening, Upper side: RHS White NN155A. When Opening, Under side: RHS White NN155A. Fully Opened, Upper side: RHS White NN155A. Fully Opened, Under side: RHS White NN155A. Sepal: None. Pedicle: Length.—2 mm. Diameter.—1 mm. Angle.—45°. Strength.—Good. Texture.—Smooth. Color.—RHS White NN155A.

REPRODUCTIVE ORGANS

(9) Sterile flower: Stamens: Number.—10. Filament color.—RHS White NN155B. Filament length.—3 mm. Anthers: Length.—>1 mm. Shape.—Rounded, basifixed. Color.—RHS Yellow-White 158B. Pollen.—Good amount. Pollen color.—RHS Yellow-White 158B. Pistil: Number.—1. Length.—2 mm. Stigma: Shape.—3-lobed. Color.—RHS Green-White 157D. Style length.—1 mm. Style color.—RHS Green-White 157D. Ovary color.—RHS Green-White 157D. Fertile flower: Stamen: Number.—10. Filament length.—3 mm. Filament color.—RHS White NN155B. Anther: Shape.—Rounded, basifixed Length.—>1 mm. Color.—RHS Yellow-White 158B. Pollen amount.—Good. Pollen color.—RHS Yellow-White 158B. Pistil: Number.—1. Length.—2 mm. Stigma: Shape.—3-lobed. Color.—RHS Green-White 157D. Style length.—1 mm. Style color.—RHS Green-White 157D. Ovary color.—RHS Green-White 157D.

OTHER CHARACTERISTICS

(10) Disease resistance: Neither resistance nor susceptibility to the normal diseases and pests of Hydrangea has been observed. Drought tolerance and cold tolerance: The new cultivar can tolerate cold temperatures to approximately −32° C. and tolerates an upper temperature range to at least 36° C. Fruit/seed production: Not observed to date.