Erodium pelargoniiflorum ‘Sweetheart’ is a small perennial from the geranium family, valued for its long flowering period and delicate, veined blossoms.
The foliage – bright green on top, paler on the bottom, evergreen and aromatic when crushed.
The flowers are … they are something else.
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- The five-petaled flowers are quite special – white with light purple veins running through them.
- On top of that, the top two petals have splashes of a darker pink that resembles a splash of red wine spilling outwards.
In suitable conditions it can flower from spring well into autumn, sometimes as long as April through November.
Just magnificent.
The plant itself forms a low, compact mound, usually around 20–30 cm high, with soft, slightly hairy foliage that may have a mild scent when touched.
👨🌾GARDENING TIPS👨🌾: Erodium pelargoniiflorum ‘Sweetheart’
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- SOIL: Loves rock gardens, in dry soil, in dry gardens – as a ground cover or as a statement plant.
- EXPOSURE: It thrives in full sun or light shade
- FEARS: Winter wetness is the biggest threat, so raised beds, rock gardens, or containers are often ideal environments
- HARDINESS: hardy down to roughly –15 °C
- Its lifespan is not very long, but it reseeds itself spontaneously in light soil so just let her thrive!
- Looks beautiful with the Sedums, the gardy Geraniums
The Tales & The Botany:
The species has a slightly confusing history in horticulture.
Some nurseries have sold plants under the name Erodium pelargoniiflorum ‘Sweetheart’ that appear instead to be Erodium trifolium.
The two look similar, so plants may be mislabeled. I have raised my plants from seed (bought from a venerable and esteemed seed provider) so I believe that there is no confusion here!
The plant’s seed pods behave like many erodiums and geraniums, coiling and twisting as they dry; in some species these can be sharp when dry, so gardeners with pets sometimes prefer to monitor them, though this is more anecdotal than a documented hazard.
In the garden, ‘Sweetheart’ is especially attractive in rock gardens, at the edge of sunny borders, or in pots where its graceful flowers can be appreciated up close.
It tends to attract bees and other small pollinators, and its neat, rounded habit makes it a gentle, decorative accent among stones or gravel.
Origin
South Africa






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