By our calculations, you should look at sowing Shishigatani about 10 days before your last frost date.
Traditional “Kyo-yasai” plant of Kyoto, named after the Shishi Valley (Shishigatani, 鹿ケ谷) in the Higashiyama ward of Kyoto.
This plant became famous during the Edo period when it was traditionally eaten during the mid-summer to treat polio.
鹿ケ谷南瓜