How long does Rudbeckia take to grow from seed?
How long does Rudbeckia take to grow from seed? Rudbeckia seeds should germinate within 14 to 21 days. As the seedlings begin to grow, thin them to around 30cm apart to allow for development. Finally in the autumn transplant the plants to their flowering position allowing 30 to 40cm between each one. It is best […]
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