Location History:
- Saint-Malo, FR (1990 - 1999)
- St. Malo, FR (2002)
Company Filing History:
8 out of 8 
6 out of 9 
2 out of 3 Years Active: 1990-2002
Title: The Innovative Contributions of Jacques Guillou
Introduction
Jacques Guillou, an accomplished inventor based in Saint-Malo, France, is recognized for his significant contributions to horticultural innovations. With 20 patents to his name, Guillou has demonstrated a remarkable ability to create distinct cultivars of geranium plants that have garnered attention in the gardening and landscaping industries.
Latest Patents
Among Guillou's latest inventions are two exceptional cultivars of geraniums: 'Guipierre' and 'Guinost'.
- The 'Guipierre' cultivar is characterized by its upright growth habit, moderately vigorous nature, and beautifully zoned dark green leaves. This plant produces numerous long-lasting dark purplish-red semi-double to double flowers, showcases basal branching, and is known for its high yield of cuttings. It also blooms continuously throughout the summer and displays foliage that is tolerant to rain, wind, and stress conditions.
- The 'Guinost' cultivar, on the other hand, features a compact and upright habit, slightly zoned and smaller leaves, and a vibrant display of dark hot pink semi-double to double flowers. Similar to 'Guipierre', it offers basal branching, early flowering, and continuous summer blooms while exhibiting resilience against adverse weather conditions.
Career Highlights
Jacques Guillou's career is marked by his innovative spirit and the successful development of new plant varieties. His work has significantly impacted the landscape of horticulture and gardening, making it easier for both professionals and hobbyists to cultivate beautiful gardens.
Collaborations
Throughout his career, Guillou has worked with notable individuals such as Bernard Guillou and Maurice Guillou. His professional journey has also included collaborations with companies like Etablissement Guillou Frères Jacques and Bernard Et Maurice, as well as Ets. Guillou Frères, where he has been able to blend his creative vision with practical applications in the field of horticulture.
Conclusion
Jacques Guillou's contributions to the world of geranium cultivation exemplify the essence of innovation in plant breeding. With multiple patents to his name, he continues to inspire a new generation of inventors and horticulturists, ensuring that his legacy thrives in the gardens of tomorrow.