Friday 8 August 2008

Hey it's Friday!! It must be time to learn about a new plant!

Okay! The end of another week!

What plant category do you want to look at today?

We've looked at Rhus typhina and Berberis thunbergii 'Atropurpurea', so how about we choose an herbaceous perennial to add to them?

For those of you that get confused about annuals, perennials, herbaceous, etc - basically an annual only grows for ONE year. It may set seed and you might get NEW plants the following year but that original plant will only live for ONE year. A perennial, or Herbaceous perennial, will live for MANY years. The growth of the plants will die down during winter an the roots will become dormant during that time ( think of them like hedgehogs hibernating over winter). Once the weather warms up a bit in the Spring, they will begin to grow again. As our winters are becoming milder though, many herbaceous perennials are forgetting to "hibernate" and as a result can look a bit untidy in the spring. If you have plants like this you can cut off the dead leaves and flower heads. Don't worry if this is a majority of the plant it will re-grow and look lovely because of its hair cut!

Back to Plant File Friday!

Today's herbaceous perennial is:

Sedum spectabile 'Autumn Joy'

Deciduous or Evergreen: N/A

Design Function: Ground Cover, Attractive to wildlife

Form and Shape: Mound

Texture of Leaves: Fleshy, serrated-edged and glossy

Colour of Foliage: Pale blue-green

Colour of Bark: N/A

Colour of Flowers: Flat flower heads of deep red-brown

Main season of Interest: Autumn

Horticultural Information:

Country of Origin: Europe, N Africa, W & N Asia

Soil Type preferred: Well-drained but will grow in any type

Aspect preferred: Sunny

Height and Spread at 5 years: N/A

Height and Spread at maturity: 45-60cm x spread as permitted

Common Problems: Prone to mildew in prolonged wet periods

National Collection: Mr & Mrs R Stephenson, Northumberland

My personal Opinion of
Sedum spectabile 'Autumn Joy'

This perennial is great for attracting wildlife to your garden, especially bees. It flowers late in summer and Autumn and so gives you a display when not much else is doing anything. The colour of the flowers perfectly complement a wide range of other plants and so makes an excellent companion plant. It does suffer though if an autumn is particularly wet - suffering from mildew and possibly the stems will be flattened to the floor with the weight of the wet flower heads. That said though, its worth the risk of planting as the advantages far out way the disadvantages for this plant.

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