Growing vegetables on the coast.
There is a variety of information available that can help you.
OSU Extension publication EC 871 - "Vegetable Gardening in Oregon". Pages 3-5 identifies Florence as part of growing area 1 (Oregon Coast) and provides information regarding suitability of vegetable crops for the coast. Here is a link to that publication. https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/ec871.pdf
OSU Extension publication EM 9027 - "Growing Your Own" - provides additional useful information. See pages 18-19 for Oregon Coast specific information. Here is a link. https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/em9027.pdf
You can call Lane County Master Gardeners Mon-Thur 10 AM - 1 PM at (541) 344-0265.
Here also is a link to some tips for growing vegetables on the coast from a longtime successful Lincoln County Master Gardener.