Rudbeckia fulgida v deamii / Deam's Coneflower / Seeds

(Code: B&T_187)

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Rudbeckia fulgida v deamii / Deam's Coneflower / Seeds

A sought-after Coneflower with clumps of long-lasting golden-yellow flowers with dark centres from late summer into autumn.  Plants look best in groups in a border, growing to a height of 60 - 100cm and are good for late summer colour.  They are taller than the more common Rudbeckia ‘Goldsturm’ and better for growing in prairie-style gardens grown alongside plants such as grasses and asters.  They are good cut flowers.  Plants have the RHS Award of Garden Merit.

 

Deam’s Coneflower grows best in full sun to part shade and most soils, from sandy to clay.  They have a good branched form with sturdy stems.  Plants attract butterflies and other pollinators into the garden.


Pack of 20 seeds.  Sow spring to summer indoors in a tray of seed compost, or sow in autumn in a seed tray with a clear lid, leave outside and seeds start to germinate in the spring.  Sowing instructions and a colour photo are printed on the packet.


See how your seeds are packed.


Hardiness Hardy herbaceous perennial (RHS Hardiness H7)
Flowers July to September/October
Height 60 - 100cm
Spread 50 - 90cm
Conditions  Full sun to part shade and most soils

Sow spring and summer in the surface of a tray of seed compost.  Do not cover with compost and do not exclude light.  Keep at around 20°C and germination takes 2-4 weeks.  If there is no germination, move the tray to a fridge for 2-4 weeks and back into the warmth and this should trigger germination.  Or sow in the autumn/winter in a tray with a clear lid, place outside and germination starts in the spring.  Transplant seeds to pots when they big enough to handle and out into the garden when frost free.

Grow

Deadhead flowers in the summer.  Remove dead plant material to just above ground level in autumn or winter. Mature plants form clumps, and these can be divided in spring or autumn every 4 or 5 years to maintain good flowering.