<i>Hebe </i>plant named ‘HL1805002’

Abstract

A new cultivar of Hebe plant named ‘HL1805002’ that is characterized by its consistently healthy plants with very low susceptibility to leaf spot disease and downy mildew, its strong stems, its flowers that are white in color, and its floriferous blooming habit.

Claims

1. A new and distinct cultivar of Hebe plant named ‘HL1805002’ as herein illustrated and described.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The accompanying color photographs illustrate the overall appearance and distinct characteristics of the new Hebe. The photographs were taken of a 7-month-old plant of ‘HL1805002’ as grown outdoors in a 12-cm container in Wezep, The Netherlands.

(2) The photograph in FIG. 1 is a side view of ‘HL1805002’ in bloom.

(3) The photograph in FIG. 2 provides a close-up view of the inflorescences and foliage of ‘HL1805002’.

(4) The 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 Hebe.

DETAILED BOTANICAL DESCRIPTION OF THE PLANT

(5) The following is a detailed description of 7-month-old plants of the new cultivar as grown outdoors in 12-cm containers in Wezep, The Netherlands. The phenotype of the new cultivar may vary with variations in environmental, climatic, and cultural conditions, as it has not been tested under all possible environmental conditions. The color determination is in accordance with The 2015 Colour Chart of The Royal Horticultural Society, London, England, except where general color terms of ordinary dictionary significance are used. General description: Blooming period.—An average of 5 weeks from summer into autumn in The Netherlands. Plant type.—Evergreen shrub. Plant habit.—Compact. Height and spread.—Average of 15.5 cm in height (soil level to top of foliar plane), 17 cm (soil level to top of floral plane) and 22.6 cm in spread as a 7-month-old plant, reaches an average of 60 cm in height and spread in the landscape. Hardiness.—At least tolerant to U.S.D.A. Zone 8. Diseases and pests.—Very low susceptibility to leaf spot disease (Septoria veronicae) and downy mildew (Perenospora ssp.), no susceptibility or resistance to pests has been observed. Root description.—Fibrous to slightly fleshy. Propagation.—Softwood stem cuttings and tissue culture. Root development.—3 to 4 weeks to initiate roots and 10 weeks to produce a young rooted plant. Growth rate.—Moderate. Branch description: Branch size.—Lateral branches are an average of 11.7 cm in length and 2.5 mm in width. Branch shape.—Round. Branch color.—Young; 146D, internodes; 146B, tinged with a blend of N186C and 187A, mature; 146B, tinged with a blend of N186C and 187A, changing at the base to N186C. Branch surface.—Moderately glossy, densely covered with very short glandular hairs, 0.1 mm in length, matches surface color. Branch strength.—Strong. Internode length.—Average of 1.2 cm. Branching habit.—Held in an average angle of 50° to vertical, average of 8 primary branches, 6 secondary branches. Foliage description: Leaf shape.—Narrow ovate to oblong, slightly carinate to moderately carinate. Leaf division.—Single. Leaf base.—Cuneate. Leaf apex.—Acute. Leaf venation.—Parallel; only on main vein and two secondary veins visible, upper surface; 147D, lower surface; 143A. Leaf margins.—Entire, slightly undulate. Leaf attachment.—Sessile. Leaf arrangement.—Opposite. Leaf surface.—Both surfaces smooth, glabrous, non-rugose, very slightly glossy. Leaf color.—Young upper surface; a blend of NN137A and NN137B, young lower surface; NN137D, mature upper surface; NN137A, mature lower surface; 147D. Leaf number.—An average of 12 per lateral branch 11 cm in length. Leaf size.—An average of 3.4 cm in length and 1.2 cm in width. Flower description: Inflorescence type.—Raceme. Inflorescence size.—Average of 5.1 cm in height and 1.9 cm in width. Inflorescence lastingness.—About 7 days, self-cleaning. Flower shape.—Campanulate. Flower fragrance.—None. Flower quantity.—Average 70 florets per inflorescence, 2,000 flowers per plant, 5,500 flowers and flower buds per plant. Flower arrangement.—Axillary racemes. Flower aspect.—Outward. Flower size.—Average of 8 mm in height, 6 mm in diameter, 9 mm in depth, throat diameter 6 mm, flower tube length 3.5 mm, flower tube diameter 2 mm. Peduncles.—Strong strength, 4.3 cm in length and about 1 mm in diameter, 145A in color, held at about a 40° angle to lateral branch, surface is very slightly glossy and densely covered with very short glandular hairs; color an average of 0.1 mm in length, matches surface color. Pedicels.—Moderately strong strength, average of 2.5 mm in length and 0.5 mm in diameter, held at about a 45° angle to peduncle, 145A in color, surface is very matte and densely covered with very short glandular hairs an average of 0.1 mm in length, matches surface color. Flower buds.—Ovate to elliptic, 4 mm in length and 1.5 mm in diameter, color; 157B, immature calyx 144B, surface is matte, smooth and glabrous. Calyx.—Rotate-shaped, average of 2 mm in length and diameter. Sepals.—4, 1 whorl, 2 mm in length, 0.75 mm in width, narrowly ovate in shape, entire margins, arrangement; rotate, acute tip, base cuneate and fused, surfaces dull and smooth, color: when opening and fully open upper and lower surface; 145A. Petals.—Average 4, 1 whorl, obovate in shape, lower 54%, of base fused, about 6.5 mm in length and 2.5 mm in width, entire and slightly incurved margins, apex obtuse, upper and lower surface is smooth and glabrous, non-rugose, both surfaces very slightly glossy, color: upper surface when opening; NN155D, lower surface when opening; NN155D, top 157D, upper and lower surface when fully open; NN155A, throat NN155D, tube NN155D and NN155A. Floral bracts.—A single bract is placed below each individual flower, short oblong in shape, tip acute, cuneate base, 2 mm in length, 0.75 mm in width, both surfaces glabrous and 144A in color. Reproductive organs: Gynoecium.—Pistil; 1, 6.5 mm in length, stigma; club-shaped, 5 mm in length, N170D in color, style; 6 mm in length and NN155D in color, ovary; 143B in color. Androecium.—Stamens: 2, anthers; oblong in shape, 1 mm in length, 0.5 mm in width and 166B in color, filaments; 5 mm in length, color; 186B, base NN155A, pollen; none observed. Fruit and seed.—None observed to date.