You can buy red Delphinium, they just aren’t very popular compared to Salvia and Penstemons and other columnar red perennials. Delphinium is also a PITA to growth regulate or time for the market, it gets leggy fast or sulks and won’t get tall when you want it to. I haven’t grown it so I don’t know if its beef is temp or day length, but I rarely see it in variety trials.
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You can buy red Delphinium, they just aren’t very popular compared to Salvia and Penstemons and other columnar red perennials. Delphinium is also a PITA to growth regulate or time for the market, it gets leggy fast or sulks and won’t get tall when you want it to. I haven’t grown it so I don’t know if its beef is temp or day length, but I rarely see it in variety trials.
It has!! There was one on r/flowers today.