About us

Hydrangea Breeders Association (HBA) develops new hydrangea varieties for the customers profit and consumers satisfaction. At the joint companies’ premises the result from the crosses and other breeding activities is produced into flowering. Selections and choices are made on the spot, thus within the normal production procedures. Wishes and questions are therefore easily reported from the field / greenhouse and incorporated into a sophisticated breeding program. New varieties are being tested extensively in practice.

Create

Attractive new varieties and series are developed with improved characteristics serving the markets needs, such as compact growth, good branching, resistance to pests and diseases and an excellent shelf life. On top of this, splendid new colors and flower shapes make the assortment one of the worlds finest. A real change is the continueously flowering Hydrangea that initiates buds and flowerheads from april till september and thus providing the conditions for consumer value.

Breeding

The modern breeding techniques used, do achieve the desired results as efficiently as possible. Our team consists of highly educated, experienced and dedicated people. Information exchange about production experiences with growers from all over the world, guarantees the best practice input imaginable.

Combine

The combination of knowledge of modern breeding techniques, breeding and practical experience guarantees optimal results: varieties with superior cultivation qualities and consumer value.

Market

HBA innovations are adapted to the ever changing issues and developments in the market. The varieties achieve awards at all available platforms.

Companies behind HBA

Our varieties come about thanks to a fruitful collaboration between the AGRIOM breeding company in De Kwakel (NL) and the renowned producers and selection companies Heuger in Glandorf (DE) and Kötterheinrich in Lengerich (DE). The breeding results are jointly assessed through careful selection and frequent test methods. Partly due to the excellent relationship with customers worldwide, specific requirements and wishes can be implemented in this selection process, so that our top varieties prove themselves effortlessly in the market.

We give you a head start by:

Breeding

The way to get innovative varieties with superior cultivation qualities. These varieties fit in everchanging trends.

Testing

Strong selection and rigorous Elite – like variety control through extensive cultivation tests, supplies of clean stock based mother plant materials guarantee the best quality base material for all our licensees.

Assistance and advice

A team of experts is available to assist growers worldwide on the cultivation of quality pot and cut hydrangeas.

Prime quality

HBA garantees prime quality cutting base materials for their propagators to ensure the growth of healthy hydrangeas. All our base material is TC reproduced in our own laboratory to serve for further vegetative reproduction.

Protection

All HBA varieties are protected by Plant Breeders’ Rights or plant patents (if applicable). Any subsequent propagation without a valid licence or contract is prohibited. Control and maintainance of all our varieties worldwide is taken care of by Royalty Administration International.

Marketing

Through purposeful Marketing and Promotion HBA stimulates the demand in the various markets wold wide.

Pot Plants Garden Plants

Our varieties are tested under normal production circumstances for characteristics like branching, compactness, flower induction, change of colour and of course durability under consumer conditions.

Discover our varieties.

Cut Flowers Royal Series

The Royal series represents varieties that can be pruned deep for flowers on new shoots, but can also perfectly fit in a traditional way of production. A period of natural cold to stimulate regrowth and induction is required for these varieties.

A combination of the deep pruning and traditional method creates a long window of harvesting. Discover our varieties.

Cut Flowers Tropical Series

The Tropical varieties are specially designed and selected for areas without a long period of natural cold and with a diferent day-night regime compared to the Northern European production areas. These varieties do not require a long cold period for good stem length

At Equatorial production areas like Kenya or Colombia the tropical varieties produce flowers yearround. Discover our varieties.

Paniculata Pan Series

With a new vision on the cultivation and appearance of the Paniculata hydrangea, an assortment has been developed that can be traded as half material and being sold as a flowering finished product shortly after that.

Breeding has led to surprising chararacteristics as the mentioned forcing of flowering, compactness, stunning autumn colours and nearly 100% of the stems flowering. Discover our varieties.

Paniculata Bloomulus Series

New in 2025. Compact, natural growth thanks to innovative genetics. Ideal for promotional sales in 14 cm and 18 cm pots. Perfect for plant combinations on balconies and terraces.

Both lace-cap and mophead varieties within the series.

Want to know more? Visit bloomulus.com.

Concepts

For the pot, patio and garden varieties some specific marketing concepts have been developed. Ranging from a special compact shaped selection to impressive large specimen, the concepts support the sales with visual information as well as consumer information.

Tabletensia®

At the 2018 IPM we introduced this concept and were crowned with a special reward. Due to its compact characteristic and excellent branching the Tabletensia® is extremely suitable for bowls and for instance table decoration. This for both indoors as well as outdoors. Up untill fall Tabletensia® will bring colour to your terrace.

Kanmara®

A concept for high-end hydrangeas for patio and terrace. The combination of unique genetics and selected producers has resulted in an end product perfectly suitable for exclusive clients. More info on www.kanmara.eu

Diva fiore®

Crowned at the BUGA 2015 and rewarded with the Innovation prize 2016, Diva fiore® has clearly been acknowledged as a winner!  This remontating hydrangea produces new flowers from spring to fall. More info? Please check www.divafiore.de

Bloomulus®

Concept-Bloomulus-met-logo-300x300

New in 2025. Compact, natural growth thanks to innovative genetics. Ideal for promotional sales in 14 cm and 18 cm pots. Perfect for plant combinations on balconies and terraces. Both lace-cap and mophead varieties available within the series. Early flowering possible from May. Want more information? Visit bloomulus.com.

Sales and support

For commercial inquiries and support:

General & Hydrangea Cut Flowers
Dutch and International

Jaap-Stelder

Jaap Stelder
jaap.stelder@agriom.nl
+31 6 5140 8341

Pot and Garden Hydrangea
Macrophylla, Paniculata

Jan ten Brinke
jan.ten.brinke@agriom.nl
+31 6 5582 6262

Cultivation and technology

Sjoerd 800x800

Sjoerd Ederveen
sjoerd.ederveen@agriom.nl
+31 6 1413 0073

Our ambassadors

Partners in growing beauty.

The group of companies putting HBA vision into practice is constantly expanding. Not only the autonomous growth of the shareholders, but also the users of our genetics understand the concept of quality and how to position it.

They all choose the secured future that HBA varieties offer them.

Contact

The HBA team will be pleased to welcome you.

A4 Amsterdam – Den Haag: take the Aalsmeer (N201) exit.
Take the N201 towards Aalsmeer, follow the ring road around Aalsmeer, go through the Waterwolftunnel, and then follow the N201 to its intersection with the N231 (Legmeerdijk). Turn right towards Kudelstaart / FloraHolland. Follow the N231 for about 4.5 km until you reach a location 100 m after the BP petrol station. Turn right and then left onto: Achterweg. After 1 km on the right hand.

A2 Utrecht – Amsterdam: take the Vinkeveen (N201) exit.
Follow the N201 towards Vinkeveen past Mijdrecht and Uithoorn, turn left direction Kudelstaart, FloraHolland onto the N196. Follow the N231 for about 4.5 km until you reach a location 100 m after the BP petrol station. Turn right and then left onto: Achterweg. After 1 km on the right hand side.

News

News from HBA and its partners.

TEST RESULTS HBA PINCHING TRIAL 2024: HARVEST SPREADING WITH HYDRANGEA

De Kwakel, December 2024 – In the 2024 season, HBA conducted a pinching trial with several cut hydrangea varieties and selections for cut production from the Royal series. Sjoerd Ederveen is enthusiastic about the results of Royal Princess, Royal Impressive, and Royal Salute. Additionally, some long-established varieties like Royal Sunset and Royal Supreme and a ...

HBA INTRODUCES CLOUD HYDRANGEA BLOOMULUS

De Kwakel, November 2024 – Breeder HBA presents Cloud Hydrangea BLOOMULUS, thé innovative novelty in the Hydrangea paniculata assortment. Characteristic for the BLOOMULUS series are the cloud-like flower heads. The series will be offered in three branded pot sizes: 14 cm, 18 cm and 23 cm, with special emphasis on the 14 cm pot size. ...

HBA PANICULATAS ARE PARTICIPATING IN CONSUMER VALUE TEST

De Kwakel, August 2024 – HBA has registered 6 different paniculatas (Pandalus, Pandria, Panflora, Pansana, Pantera and Pantheon) for the Quality Garden Hydrangea Benchmark 2024. The paniculatas are submitted by HBA partner Kötterheinrich. The benchmark is being conducted by the Post Harvest Knowledge Center of Royal FloraHolland (RFH). From week 28 onwards, plants were tested ...