21st August 2016

St John’s Worts – there are many wild St John’s Wort species (Hypericums) so here are a couple of easy-to- identify species out now- Perforated St John’s Wort, widely used in herbalism,  has bright yellow flowers with tiny, blood-coloured spots around the petal-edges. Just hold a leaf up to the light and the eponymous ‘perforations’ (actually translucent glands) will clearly show up (see photo). Broken stems give off a deep red sap. Bog St John’s Wort is a bit less common, likes damp grassy areas and has glaucous, fleshy leaves. Old flower heads look distinctly orange. Conditions: Drier spells following two days of welcome,

Old flower heads of Bog St John's Wort

Old flower heads of Bog St John’s Wort

Bog St John's Wort

Bog St John’s Wort showing the glaucous, paired leaves

Perforated St Johns Wort

Perforated St Johns Wort

Perforated St Johns Wort

Perforated St Johns Wort

Perforated St Johns Wort

Perforated St Johns Wort

 heavy rain. Temperature: Max 19- Min 17C

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