Category Archives: Poisonous herbs

365 Frankendael day 52


A lovely walk today, began by spotting this particular Garlic Mustard (Alliaria petiolata) plant along the Lime tree avenue. There are many many Garlic Mustards still around But this one has a few really big leaves. The one on focus here was 14cm long! It’s handy to have your field guide with you for recording such herb spotter type things!


I saw this plant from a distance yesterday and mistook it for a Calamint. I have a very stinky sample of it in my field guide, beside me as I type and it is definitely not a pleasant Calamint. It is Field Woundwort (Stachys arvensis) with beetroot coloured flowers atop hairy, strongly “scented” leaves. It is a Labiate of great herbal repute. This particular Stachys has been long used for a huge range of ailments. Have a look at the Wiki link for an overview of them if it interests. I have used it now and then as a tea. I find the taste quite strong but not unpleasant. I think the most interesting uses are to treat pink eye (conjunctivitis) and styes. For these problems, a weak, cooled and very well strained tea is sometimes used as an eye wash.


I think that the above photo is of Hedge Mustard (Sisymbrium officinale). I will need to keep checking as it comes into flower. I did manage to forage our Brassica fix of the day though, plenty of Wild Turnip in full flower alongside the Middenweg today.


Here’s an eye catching member of the Plantain, Plantago genus. It looks like Ribwort but the flowers are super shaggy and I’m not used to seeing that in Ribwort. I have a feeling it is a hybrid between two types of Plantago. Claud Biemans told me about them when she walked with me here in Frankendael. Whatever it is I love those flowers, they remind me of a well worn Afghan coat.


Here is Digitalis in flower. Foxgloves have strikingly beautiful flowers but all parts of the plant are highly poisonous. It provides a well known herbal medicine which acts specifically on heart muscles. Not something to be picked or used.


Here’s another poisonous plant, White Bryony (Bryonia dioica) entwined around Motherwort (Leonurus cardiaca). I was looking at Motherwort today because it’s flowers are just beginning to become obvious and soon the leaves of the plant will become more familiar to those who know its flower heads. Can you see the flowers developing in whirls close to the leaf bases and the square Labiate stems? This is a good time to harvest and tincture the plant but you should watch it for a full cycle to ensure its the real thing.


Lastly today, Hound’s Tongue (Cynoglossum officinale).

365 Frankendael day 46

I’ve been preparing for the next Urban Herbology walk today so here are several photos and not much chat…


Developing cobweb-spirally Burdock flowers.


The Middenweg Poison Hemlock (Conium maculatum) continues to grow despite being reported to the council. Apparently it’s not a risk to the public because it is growing in the green strip… It is now wider than my bike, well over 2m tall and (although less than before I pruned it) still overhangs the pavement. I shall snip off the flower heads before the seeds set. A deadly beauty.


Greater Celendine, with seed pods developing well.


Comfrey (Symphytum uplandicum), still growing, still flowering – everywhere in the park!


Skullcap (Sculletaria altissima) in the woods. Flowers development very quickly moving up the stalk, sowing be visible for much longer.


The flowers of wild Sage (Salvia officinalis).


On the edge of the rhododendron planted section, I found this shady patch of tasty Pelargonium, Garlic Mustard and also Stinging Nettle and Cleavers, just out of shot.


Lastly, frothy flowers of Hedge Bedstraw.

365 Frankendael day 39

Today some photos without much comment or translations…
Firstly the flowers of that Poison Hemlock on the Middenweg. It’s carrot family flowers opening to the sun today.

Next, some lovely Meadowsweet foliage.

Next Ground elder, just coming into flower. Another member of the carrot family but with completely different and easily recognisable leaves.

Here is Red clover. Perfect for harvesting, if you can find it growing in a clean spot.

Lastly today, a sign that tasty berries are not too far away; A Bramble (NL: Bramen) just opening it’s first flowers of the year.

Conium maculatum on the Middenweg.

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The Poison Hemlock (Conium maculatum) alongside the Middenweg and Frankendael, has had something of a growth spurt over the warm weekend. It is just opening it’s flowers and is spilling onto the pavement. It should not be touched. It smells a little mousy and unpleasant so I really hope that deters people from picking the flowers or worse.

I tore a large branch from it yesterday but it needs to be carefully removed and disposed of. Composting won’t make it safe and burning it needs to be done in a controlled environment as the fumes can cause very serious effects.

It’s been reported so I’m very hopeful that it will be removed very soon. It’s a very handsome, imposing plant, but very harmful and is growing too well, in rather an unfortunate spot.

365 Fraendael day 38

The weather is unusually warm again today, which has causes Chickweed to shrivel up and die and Poppies (not edible, but poisonous, a historically useful medicinal herb) to flower.

Here is Ribwort (Plantago lanceolata), discretely in flower amongst long grass.

Poisonous White Bryony, looking as though it fancies strangling the Juniper bush.

Motherwort flourishing, still at a useful stage for harvesting and tincturing.

Hedge bedstraw. Looking similar to Cleavers.

Angelica archangelica, with it’s out-of-this-world flower heads, towing over the other pond plants.

Watermint, or at least a mint species growing in water, will decide which soon. Low growing still, building its strength in readiness to flower.