Hallo, and welcome to the forum. California poppies, aka Escholtzia, are annuals, half-hardy in the UK. You can grow them from seed, but they need warmth and light to germinate. Then you keep them indoors, in a greenhouse or on a sunny windowsill, until there is no likelihood of frost, then plant them in a sunny spot.
A couple of years ago, I was given one tiny, scrawny plant in a pot, I planted it in a south-facing border and it performed its socks off. They don't grow tall, but this one made a dense, bushy plant that covered about two square feet, and had hundreds of flowers all summer long. I was hoping it would self-seed, but no such luck. Last year I bought a packet of seed but didn't succeed, I have only a little plastic greenhouse. I'm going to try them on the kitchen windowsill this year.
They grow fast, so you can wait until the weather is a bit warmer, probably April and then just scatter the seed where you want them to grow. They will still give you a ggod show all summer.
The nice thing is, once you have them, you have them forever, as they quite happily self sow. I bought a packet over 20 years ago and have never needed to buy more.
How can you lie there and think of England When you don't even know who's in the team
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A couple of years ago, I was given one tiny, scrawny plant in a pot, I planted it in a south-facing border and it performed its socks off. They don't grow tall, but this one made a dense, bushy plant that covered about two square feet, and had hundreds of flowers all summer long. I was hoping it would self-seed, but no such luck. Last year I bought a packet of seed but didn't succeed, I have only a little plastic greenhouse. I'm going to try them on the kitchen windowsill this year.
I bought a packet over 20 years ago and have never needed to buy more.
When you don't even know who's in the team
S.Yorkshire/Derbyshire border