My cosmos have produced only foliage this year never had a problem before i have used the same seed outlet for years i think it may be due to all the wet weather we have had this year
I think you're right. They need sun and warmth. I sowed some old seeds on the off chance and then planted them out in early July after looking after the increasingly large seedlings thru a fierce June heatwave. They have grown to about 60cm high and are flowering prolifically.
We have had bright sun and a drought which has just ended after 14 months. I've had to water them even thru a coolish July, for here, in the low to mid 20s because it was so dry at their feet. They're flowering prolifically even now that we've had a day or two of steady, but not heavy rain - not looking at all sad or bedraggled.
Vendée - 20kms from Atlantic coast.
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My cosmos have produced only foliage this year never had a problem before i have used the same seed outlet for years i think it may be due to all the wet weather we have had this year
I think you're right. They need sun and warmth. I sowed some old seeds on the off chance and then planted them out in early July after looking after the increasingly large seedlings thru a fierce June heatwave. They have grown to about 60cm high and are flowering prolifically.
We have had bright sun and a drought which has just ended after 14 months. I've had to water them even thru a coolish July, for here, in the low to mid 20s because it was so dry at their feet. They're flowering prolifically even now that we've had a day or two of steady, but not heavy rain - not looking at all sad or bedraggled.