Hog’s-Fennel: A Mysterious Plant with an Uncertain Future
If you’ve stumbled across the name hog’s-fennel (Peucedanum officinale) in your gardening research, you might be scratching your head trying to find more information about this elusive plant. Also known as sulphurweed, this member of the carrot family has a bit of a botanical mystery surrounding it that every gardener should know about before adding it to their wish list.





What Exactly Is Hog’s-Fennel?
Hog’s-fennel belongs to the Apiaceae family—the same group that gives us carrots, parsley, and fennel. Like its relatives, it would typically produce those characteristic umbrella-shaped flower clusters (called umbels) that are absolute magnets for beneficial insects. The plant gets its quirky common name from its historical use and appearance, though the hog’s part might make you wonder what pigs have to do with this delicate-looking herb!
The Taxonomic Tangle
Here’s where things get interesting (and a bit frustrating for gardeners): Peucedanum officinale exists in a sort of botanical limbo. While you might find references to this plant in historical texts and older botanical literature, tracking down reliable, current information about its exact status, native range, and availability is surprisingly difficult. This suggests that either the plant has been reclassified under a different name, or it may be extremely rare or possibly extinct in cultivation.
Why You Probably Can’t Grow It
The harsh reality is that you’re unlikely to find hog’s-fennel at your local nursery or even through specialty seed suppliers. Without clear information about its:
- Current taxonomic status
- Native range and distribution
- Growing requirements
- Availability in the trade
It’s practically impossible to recommend this plant for home gardens, no matter how intriguing it might sound.
Better Alternatives for Your Garden
Don’t despair! If you’re drawn to the idea of growing plants in the Peucedanum genus or similar umbellifers, there are plenty of fantastic alternatives that are readily available and well-documented:
- Fennel (Foeniculum vulgare): Easy to grow with feathery foliage and yellow flowers
- Dill (Anethum graveolens): Annual herb that self-seeds readily
- Wild carrot (Daucus carota): Beautiful white flowers and excellent for pollinators
- Angelica (Angelica archangelica): Dramatic architectural presence in the garden
Supporting Native Pollinators Instead
Rather than chasing after mysterious plants with uncertain status, consider focusing on well-documented native plants in the Apiaceae family that are known to support local pollinators and wildlife. Your local native plant society or extension service can help you identify which umbellifers are native to your specific region and readily available for planting.
The Bottom Line
While hog’s-fennel might sound like an intriguing addition to an herb garden, the lack of reliable information and availability makes it an impractical choice for most gardeners. Instead of spending time hunting for botanical ghosts, invest your energy in growing the many wonderful, well-documented members of the carrot family that will thrive in your garden and support your local ecosystem.
Sometimes the best gardening advice is knowing when to let go of a plant that’s more trouble than it’s worth—and hog’s-fennel appears to fall into that category. Your garden (and your sanity) will thank you for choosing plants with clear growing instructions and reliable sources!