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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
© RHS 2002
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Other common names
blue oat grass
Avena candida Avena sempervirens
Helictotrichon can be deciduous or evergreen grasses, forming compact tussocks of linear leaves, with erect or arching stems bearing panicles of flowering spikelets in summer
H. sempervirens is a dense tufted evergreen grass with rather rigid blue-grey leaves to 23cm in length. Small, straw-coloured spikelets are borne in large open panicles on erect stems to 1.4m in height
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
MoistureWell-drained, Moist but well-drained
SoilLoam, Chalk, Sand, Clay
Time to ultimate height
Grow in poor to moderately fertile, neutral to alkaline, well-drained soil
Propagate by division in mid-spring
Suggested planting locations and garden types
Flower borders and beds Low Maintenance
Pruning Remove dead foliage and old flowered stems in spring
Pests Generally pest free
May be affected by a rust
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
blue oat grass
Buy from £6.99 at the RHS Plants Shop
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