Common Stinging Nettle Seeds Urtica dioica – Although not the most attractive of native plants, the common Nettle can prove surprisingly decorative when in full flower. In the wildlife garden it is a very important plant for butterflies, that will lay their eggs on it’s leaves. For this purpose Common Stinging Nettle is best grown along the edge of a hedge, or in any other situation where it can be allowed to spread, and where there is plenty of sunlight. Flowers appear mainly from June to September and blend well with other hedgerow wildflowers such as Red Campion, Hedge Woundwort, Hedge Garlic, and Nettle-leaved Bellflower.