Hydrangea ‘LC NO24’ With Compact Growth, Dense Panicles, and Green Sepals
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Solution Overview
Problem
Existing Hydrangea cultivars lack compact, spreading growth habit, dense flowering, and persistent apple green sepals, with limited commercial varieties offering these unique characteristics.
Innovation Solution
Development of the Hydrangea paniculata cultivar 'LC NO24', characterized by low-growing, compact, spreading plants with very full panicles, dense flowers, and apple green sepals that retain color throughout the flowering period from July to October, achieved through selective breeding and asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Hydrangea cultivars are used, then they provide flowering characteristics, but they lack compact growth habit and dense flowering
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with specific genetic parameters that control growth habit and flowering density. The cultivar 'LC NO24' exhibits a compact growth habit with a height of 39 cm and spread of 71 cm, while producing very full panicles with 400-500 sterile flowers per inflorescence. This represents a deliberate change in the parameters of plant architecture and floral density through selective breeding.
2Duration of action of stationary object
If existing Hydrangea cultivars are used, then they provide flowering, but sepals do not retain apple green color throughout the flowering period
Solution Approach 1:
The patent applies color changes by selecting for persistent apple green sepal coloration throughout the entire flowering period. The sepals of 'LC NO24' maintain their apple green color (RHS Green 143B and 143C) from bud formation through full bloom and into the fading stage, unlike commercial varieties where green sepals fade before the end of the flowering period. This is a deliberate selection for color persistence as a key distinguishing feature.
3Quantity of substance
If existing Hydrangea cultivars are used, then they provide flowering, but they lack dense inflorescences
Solution Approach 1:
The patent applies preliminary action by conducting a systematic breeding program that began in 2018 with a controlled cross between seed parent '1525-2' and an unnamed pollen parent. The breeder performed preliminary selections in 2020 to identify plants exhibiting the desired combination of compact growth, dense flowering, and persistent green sepals. Softwood cuttings were taken in September 2020 to propagate the selected plant, establishing the cultivar before commercial introduction in February 2024.
Data Source
AI summary
A new and distinct cultivar of Hydrangea paniculata plant named ‘LC NO24’ is disclosed, characterized by uniquely low growing, spreading and compact plants. Panicles are dense with flowers. Plants are very well branched, highly floriferous and flower from July to October. The sterile flowers have ornamental sepals that are apple green from the beginning to the end of the flower period. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.