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

Abstract

A new and distinct cultivar of Hydrangea plant named ‘SMNHRLL’ is disclosed, characterized by large white and light pink flowers arranged in a lacecap inflorescence on plants with strong stems. The new variety is a Hydrangea, normally produced as an ornamental plant.

Claims

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

Description

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

(1) ‘SMNHRLL’ 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 Hydrangea.

(2) FIG. 1 shows a flowering plant of ‘SMNHRLL’ grown in Grand Haven, Mich. at the age of approximately 18 months grown in a poly house.

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

DETAILED BOTANICAL DESCRIPTION

(4) 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 ‘SMNHRLL’ plants grown in a commercial poly greenhouse in Grand Haven, Mich. under natural lighting. Measurements were taken during Summer and Fall of 2020. The plants were about 2 to 3 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 radiata ‘SMNHRLL’.

PROPAGATION

(5) Time to initiate roots: Approximately 18 days. Time to produce a rooted young plant: Approximately 60 days. Propagation method: Softwood cuttings. Roots: Thick, fine, fibrous, moderately dense. White and brown in color, not accurately measured with R.H.S. chart.

PLANT

(6) Plant type: Flowering deciduous perennial shrub. Age of plant described: Approximately 2 to 3 years old. Growth habit: Upright. Overall plant shape: V-Shaped. Height: 64 cm. Plant spread: 86 cm. Growth rate: Good. Plant vigor: Moderate. Branching habit: Abundant upright branches at acute angles from center. Length of primary lateral branches: Average 42 cm. Diameter of lateral branches: 5 mm. Quantity of lateral branches: About 100. Stem: Stem shape.—Round. Stem strength.—Strong. Color.—Immature: RHS Brown N200C with Greyed-Purple 187A. Mature: RHS Brown 200C. Texture.—Pubescent new growth. Aspect.—Straight, occurring at 15° to 90° from center. Internode length: Average 5.0 cm.

FOLIAGE

(7) Leaf: Arrangement.—Opposite. Leaf shape.—Ovate. Average length.—5.5 to 8 cm. Average width.—3 to 4 cm. Apex.—Cuspidate. Base.—Obtuse. Margin.—Serrate. Texture of top surface.—Leathery, pubescent. Texture of bottom surface.—Leathery, pubescent. Color.—Young foliage upper side: RHS Green 137A. Young foliage under side: RHS Grey-Green 191A. Mature foliage upper side: RHS Green 137A. Mature foliage under side: RHS Grey-Green 191A. Venation.—Pattern: Pinnate. Color upper side: RHS Greyed-Yellow 162C. Color under side: RHS Grey-Green 195C. Petiole.—Average Length: Average range 2 to 4.5 cm. Diameter: 1 mm. Petiole color upper side: RHS Greyed-Brown N199B. Petiole color lower side: RHS Greyed-Green 194A. Petiole Texture upper side: Pubescent. Petiole Texture lower side: Pubescent.

FLOWER

(8) Natural flowering season: Summer. Inflorescence: Type.—Lacecap umbel. Quantity of flowers per inflorescence.—Fertile flowers: 200-300. Sterile flowers: about 10. Shape.—Flattened disc. Height.—1 cm. Diameter.—10 cm. Fragrance.—Slightly earthy scent. Sterile flower: Bud shape.—Round. Bud length.—2 mm. Bud diameter.—2 mm. Bud color.—RHS Greyed-Purple 185C. Aspect.—Upright and pendulous. Flower depth.—About 8 mm. Flower diameter.—About 2.0 cm. Persistence.—Self-cleaning. Sterile flower petals.—Petals do not develop/open, or not present. Sterile flower sepal: Arrangement.—Cruciform, rotate or trifoliate. Number.—3 or 4. Shape.—Wide elliptical. Tip.—Acute. Base.—Obtuse. Margin.—Entire. Length.—1 cm. Width.—1 cm. Texture, upper.—Smooth. Texture, lower.—Smooth. Color.—Upper surface at first opening: White 155A flushed greyed-purple 185C. Under surface at first opening: White 155A with some greyed-purple 185C near the edges. Upper surface at maturity: White 155A flushed greyed-purple 185C. Flushing stronger near the margins. Under surface at maturity: White 155A with some greyed-purple 185C. Sterile flower pedicel: Length.—1.0 cm. Diameter.—1.0 mm. Angle.—45°. Strength.—Flexible. Texture.—Slightly pubescent. Color.—Near Green 142C with some Greyed-Purple 185C. Fertile flower: Bud shape.—Sphere. Bud length.—1 mm. Bud diameter.—1 mm. Bud color.—Near Greyed-Purple 185B. Flower aspect.—Upright. Flower shape.—Rotate. Flower diameter.—5 mm. Flower length.—5 mm. Flower depth.—2 mm. Persistence.—Self-cleaning. Fertile flower petals: Arrangement.—Rotate. Quantity.—5. Length of petal.—2 mm. Width of petal.—1 mm. Apex.—Acute. Shape of petal.—Elliptic. Petal margin.—Entire. Petal base.—Truncate. Petal texture.—Smooth, upper and under side. Color.—Upper surface at first opening: Near Greyed-Purple 185D. Under surface at first opening: Near Greyed-Purple 185D. Upper surface at maturity: Near Greyed-Purple 185D. Under surface at maturity: Near Greyed-Purple 185D. Fertile flower sepal: Inconspicuous, less than 0.5 mm. Fertile flower pedicel: Angle.—0° to 45°. Strength.—Flexible. Length.—1 cm. Width.—1 mm. Texture.—Slightly pubescent. Color.—Near RHS Green 142D.

REPRODUCTIVE ORGANS

(9) Sterile flowers: None. Fertile flowers: Stamens: Number.—About 10. Filament length.—5 mm. Filament color.—RHS White NN155A. Anthers: Shape.—Globular. Length.—1 mm. Color.—RHS Greyed-White 156A. Pollen color.—RHS White N155A. Pollen amount.—Moderate. Pistil: Number.—2. Length.—1 mm. Style.—Length: 0.8 mm. Color: White N155A. Ovary color.—White N155A. Stigma.—Shape: Bi-lobed. Color: White N155A

OTHER CHARACTERISTICS

(10) Seeds and fruits: None observed. Disease/pest resistance: Neither resistance nor susceptibility to normal diseases and pests of Hydrangea have been observed. Temperature tolerance: Tolerates temperatures in USDA Zones 3 to 9.