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27 Jan 2012 | by Dr Ken Cockshull

Young rose plants produced for cultivation in gardens are now most commonly raised in containers and sold in spring. Customers are usually seeking compact, well-branched specimens and such plants can be produced in many different ways.

Research Matters - Ornamental olive tree production

09 Dec 2011 | by Dr Ken Cockshull

The horticultural industry is continually searching for novelties that could provide it with new marketing opportunities.

Research Matters - More on transport of Phalaenopsis

02 Dec 2011 | by Dr Ken Cockshull

The huge increase in the popularity of Phalaenopsis orchids is one of the most striking horticultural phenomena of recent years. Young orchid plants are now routinely raised in one country and then shipped to another for flowering and marketing.

Science Into Practice - Irrigation for alternative peat substrates

02 Dec 2011 | by HDC

The hardy nursery stock (HNS) sector is the largest user of peat in UK horticulture. Around 450,000cu m of growing medium, of which about 80 per cent is peat, is used annually for HNS production in the UK.

Research Matters - Frost injuries to hydrangea flowers

18 Nov 2011 | by Dr Ken Cockshull

Plants of Hydrangea macrophylla flowered very poorly in many parts of the UK this summer even though this species usually initiates flowers in the preceding autumn and the flowers then over-winter as dormant buds.

Research Matters - Male bumblebees' role as pollinators

04 Nov 2011 | by Dr Ken Cockshull

The bumblebee colonies that are sold commercially consist mainly of female workers and a queen.

Science Into Practice - Safe herbicides for herbaceous perennials

04 Nov 2011 | by HDC

Good weed control continues to be important for hardy ornamentals growers to ensure that quality is maintained and the required retail specifications are achieved.

Science Into Practice - Lining up peat replacements for the future

21 Oct 2011 | by HDC

Growers are facing increasing environmental, consumer and legislative pressures to avoid using peat. The UK has already used up 94 per cent of its available supplies and Defra recently set out plans to reduce peat use in English horticulture to zero by 2030 as part of the natural environment white paper.

Research Matters - Ethylene and foliage pot plants

30 Sep 2011 | by Dr Ken Cockshull

The shelf-life of some foliage pot plants is often limited by premature leaf fall, which suggests that they may be sensitive to ethylene in the atmosphere.