![](https://images.ctfassets.net/l2hapltrg3cz/n0XzaVTxveTIlQSYclxAF/39f257b53000219fa885a0c9622472ad/redshank_01.jpg?fm=webp&w=1080&q=85)
Redshank
Persica maculosa previously known as Polygonum persicaria
Importance
A weed in all spring crops. Found in heavy, damp soils.
![](https://images.ctfassets.net/l2hapltrg3cz/A9xOZa0MaOjnWOoiVGPUR/1179269b58f5d3248e559529609c0a1d/redshank_01.jpg?fm=webp&w=1920&q=85)
1. The cotyledons are lance-shaped and borne on a red to crimson stem.
![](https://images.ctfassets.net/l2hapltrg3cz/f7tDUwAzLHsLonMeIgqUI/81bb19888736c101a1bae7a3ecb09f08/redshank_02.jpg?fm=webp&w=1920&q=85)
2. The first true leaf is broad, smooth and dark green, often tinged with red.
![](https://images.ctfassets.net/l2hapltrg3cz/7lrcqVwThkhUmHmHXJvHNB/f4e95c53398b01dd7c690435354ed455/redshank_03.jpg?fm=webp&w=1920&q=85)
3. Later leaves have a thick black blotch in the centre of the blade. An annual of upright growth habit, with small spikes of pink seed-like flowers.
![](https://images.ctfassets.net/l2hapltrg3cz/1h0qvud54Zy9GzLekPOd5R/677728ff5c36c4492f44e69e75b97e83/FieldMate_Promo_Mobile.jpg?fm=webp&w=3840&q=85)
![](https://images.ctfassets.net/l2hapltrg3cz/3CvKagUshwoSyxEDqRj52c/bd6e3be09e808d22cf4c4c324b6d4ac7/FieldMate_Promo_Desktop.jpg?fm=webp&w=3840&q=85)
![](https://images.ctfassets.net/l2hapltrg3cz/3CvKagUshwoSyxEDqRj52c/bd6e3be09e808d22cf4c4c324b6d4ac7/FieldMate_Promo_Desktop.jpg?fm=webp&w=3840&q=85)