Hubbardston, MA, United States of America

Darrell R Probst

This inventor holds 57 USPTO granted patents, primarily in Plant Breeding (CPC class A01H). Top assignee: Other. Active years: 2002-2022.


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 2

Forward Citations = 29(Granted Patents)

Forward Citations (Not Self Cited) = 21(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 2002-2022

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Areas of Expertise:
Plant Breeding
Iron Lady
Candy Stripes
Cherry Blast
Firewheel
Goldilocks
Blushing Pink
Sunsplash
Red Tapestry
Riding Hood
Enchanted Red
Peach Sparkle
57 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Darrell R. Probst in Plant Cultivation

Introduction

Darrell R. Probst, based in Hubbardston, MA, is a notable inventor in the field of horticulture, holding an impressive portfolio of 53 patents. His work mainly revolves around the development of new plant cultivars that not only enhance aesthetics but also contribute to agricultural sustainability.

Latest Patents

Among his recent innovations are two exciting new cultivars: 'Butter Rum' and 'Goldilocks'. The 'Butter Rum' cultivar is distinguished by its sturdy and well-branched habit, averaging 42 cm in height and 60 cm in width. It boasts an impressive long blooming season characterized by nearly sterile inflorescences that commence blooming in early July and persist until frost, without the need for deadheading. The vibrant yellow flowers with red flushed tips, combined with resistance to powdery mildew and leaf spot, and cold hardiness up to U.S.D.A. Zone 5a, make it a valuable addition to any garden.

The 'Goldilocks' cultivar is another noteworthy creation, reaching an average height of 38 cm and a width of 55 cm. It also features a long blooming season with medium-sized inflorescences of solid medium yellow color, which bloom from late June until frost. Like 'Butter Rum', 'Goldilocks' is resistant to powdery mildew and leaf spot, and demonstrates cold hardiness at least to U.S.D.A. Zone 4.

Career Highlights

Darrell's work is marked by his commitment to developing resilient and attractive plant varieties. His patents contribute significantly to both ornamental and agricultural sectors, ensuring that plants thrive in diverse environmental conditions. His innovative approach in plant breeding has made a lasting impact in horticulture.

Collaborations

Though specific collaborations are not documented, Probst’s contributions are likely supported through partnerships with other horticultural professionals and institutions that focus on plant physiology and breeding. His extensive range of patents suggests an extensive network of shared knowledge and collaboration in the industry.

Conclusion

Darrell R. Probst exemplifies the spirit of innovation in plant cultivation. With his diverse portfolio of patents, he not only enhances the beauty of gardens but also addresses the challenges posed by changing climatic conditions. His contributions continue to inspire both amateur and professional horticulturists seeking durable and beautiful plants.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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