Later, the base of IIHR was moved to Hesaraghatta located 25 km (16 mi) from Bangalore in Karnataka, on 1 February 1968, by merging the institute with National Horatorium of Govt.

Supply of Publications : The institute has published many illustrated leaflets and bulletins for dissemination of crop information to the farmers.

The division deals with improvement of production technology of mango, grapes, pineapple, guava, papaya, pomegranate, ber, annona and citrus.

Mandate The Plant Pathology division attends to basic and applied research for the management of diseases by microorganisms.

Mandate The Division of Plant Physiology and Biochemistry is the arm of IIHR that deal with tissue culture, molecular biology, pesticide residue and food microbiology.

IIHR claims to have introduced 22,080 accessions in fruits, vegetables, ornamentals & Medicinal and Aromatic Plant species.

A Pollen Cryobank was established under the division for long term cryogenic preservation of crops which was featured in the Limca Book of Records in 2001.

CHES Bhubaneshwar is located at Bhubaneswar, Odisha and conducts research on applied and strategic aspects of horticultural crops.

It also develops sustainable technologies suitable for the farmers of eastern region of the country in general and the state of Odisha in particular.

It covers a total area of 17.5 hectares with office, laboratories, library and staff quarters and has demonstrations units like coffee based cropping system, Arecanut, Banana, Coorg mandarin, Papaya, Sapota, Guava, different vegetables, ployhouse, Piggery, Goatery and fodder block.

The KVK extends to a total area of the Kendra is 16.24 hectares and has an office cum-laboratory building, library, staff quarters, polyhouses, shed nets, threshing yard, nursery and landscaping.

[9] Every year since 2018, the institute is organizing National Horticulture Fair (NHF) under various themes for showcasing its technologies to the farmers and entrepreneurs.

This year's NHF 2024 theme was "nextgen technology led horticulture for sustainable development" and it attracted about 70,000 visitors during March 5–7, 2024.

[12] For the benefit of the farmers and other stakeholders and also to share and showcase various latest horticultural production technologies, the institute brings out monthly program on its YouTube channel[11][13][14] in seven languages viz., Hindi, Kannada, Telugu, Tamil, Marathi, Malayalam & Odia.

IIHR is credited with the development of 170 varieties and hybrids of horticultural crops and many sustainable production, protection and post harvest management technologies.