Dahlia ‘Classic Rosamunde’

Family: Asteraceae

Dahlia ‘Classic Rosamunde’ is a tuberous perennial that produces very dark, bronze coloured foliage and beautiful anemone-like, semi-double, rose pink coloured flowers, that are very popular with both gardeners and bees and butterflies.

This is one of my absolute favourite Dahlias, which is really saying something, as I adore growing Dahlias and hold a great deal of affection for many cultivars!  I love Dahlia ‘Classic Rosamunde’ and the joy that these gorgeous, rather glamorous flowers bring to the garden.  This is a simply wonderful Dahlia for bees, butterflies, hoverflies, and other pollinating insects – I rarely see a ‘Classic Rosamunde’ Dahlia flower that isn’t being tended to by a bee, a butterfly, or another insect.

In summertime, as the evening draws in, I usually find bees sleeping on Dahlia ‘Classic Rosamunde’ flowers.  I often find one bee asleep on every flower.

Dahlia ‘Classic Rosamunde’ growing at my allotment in autumn.

As well as looking good in the garden, Dahlia ‘Classic Rosamunde’ flowers make wonderful cut flowers.  This Dahlia has a naturally healthy disposition.  I find that Dahlia ‘Classic Rosamunde’ plants are keen to grow and flower.

Dahlia ‘Classic Rosamunde’ plants grow to around 1m (3.2ft) tall.  The plants often benefit from a support; I create a simple woven support using cut strong but flexible stems from the garden.  The trick is to put the support in place before your Dahlia needs it, as if you attempt to support a plant that visibly needs some help and assistance, the plant has usually developed a rather sprawling, horizontal habit, which it can be difficult to ‘right’.  It can then take a while for a late supported plant to become harmonious in the garden and at one with its support.  Whereas, if your plant grows into its support, it will have a more natural and graceful appearance from the onset.

Remember to pick your Dahlia flowers regularly, to ensure that you benefit from your plants’ maximum flower production.  I keep a jam jar in the garden.  I cut my fading Dahlia flowers and pop them into my jam jar of water – I leave my Dahlia flowers on my garden table – so the bees and butterflies can still enjoy my flowers’ pollen and nectar, but my Dahlia plants are encouraged to keep flowering.

Dahlia ‘Classic Rosamunde’ plants will flower from July to the first frosts, if the tubers are planted directly in the soil.  Earlier flower production is achieved, simply by starting the tubers off indoors, either in a greenhouse or in the warmth of a porch or conservatory.  Then, gradually harden the plants off in May, and plant out when all risk of frost has passed.

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