For non-edible plants, I’ve had good luck getting rid of aphids with Sheena’s rhubarb-leaf aphid spray, however, as rhubarb leaves are poisonous, this won’t work for your edible dill weed. And that’s actually okay because with a little diligence and daily attention, you can effectively rid your dill weed of aphid simply by spraying them off your plants with a mild jet stream of water.
According to Linda Gilkeson, though, your dill weed may also attract hover flies – and as one hover-fly larvae can hoover up 400 aphids, this is good news for your garden!
Carol Pope is co-author (with Sharon Hanna) of the newly released The Book of Kale & Friends: 14 Easy-to-Grow Superfoods (Douglas & McIntyre). She has 25 years of experience in editing, garden writing and organic gardening. As editor of GardenWise magazine for over a decade, and editor of gardenwiseonline.ca, she focused on organic gardening in British Columbia. She was contributing editor to several gardening bestsellers, including The Zero-Mile Diet (Harbour Publishing, 2010) and the first The Book of Kale (Harbour Publishing, 2012) and is garden series editor of more than 15 books and guides focused on organic gardening.