# Field scabious: planting, care, bees and price

> Field scabious (Knautia arvensis) is a native perennial 30 cm to 1 m tall that flowers from June to September. Where it fits, what it costs, how to plant it.

Canonical: https://tuinontwerp.app/en/blog/field-scabious
Last updated: 2026-09-28

*Knautia arvensis*

![One clump of field scabious alone in an empty bed in front of a wooden fence in July, with long stems and flat, pale lilac flower heads](https://tuinontwerp.app/images/blog/beemdkroon-b5c162cd.webp)

Published: 2026-09-28

Field scabious (Knautia arvensis) is a perennial of hay meadows, dykes and road verges. The plant grows 30 centimetres to a metre tall. From June to September, flat, pale lilac-blue flower heads sit on long stems. Field scabious wants full sun and soil where rainwater drains away well. The species is originally native to the Netherlands.

## Field scabious at a glance

| Feature | Field scabious |
| --- | --- |
| Height | 0.3 to 1 m |
| Spread | 0.1 to 0.5 m |
| Full grown after | 2 to 5 years |
| Sun | Full sun |
| Soil | Drains well, ideally with some lime |
| Water | Little: likes dry soil |
| Maintenance | Low: the old stems can go after flowering |
| Flowers | June to September, pale lilac-blue |
| For bees | Yes: nectar and pollen, June to September |
| Hay fever | Not or weakly allergenic |
| Leaves | Drop in autumn |
| Hardy | Yes |
| Native | Yes |
| Poisonous | No, as far as is known |
| Pricks or stings | No |
| Price, young | About €2.38 to €3.50 each, in a small pot |
| Price, grown | About €4.75 to €7.95 each, in a larger pot |

- **Leaf**: April to October
- **Flower**: June to September
- **Fruit**: no noticeable fruit

![A hairy stem of field scabious with pairs of narrow, grey-green leaves opposite each other, some with coarse teeth along the edge](https://tuinontwerp.app/images/blog/beemdkroon-leaf-d893aed2.webp)
*Leaf*

![One open flower head of field scabious, flat and pale lilac-blue, with larger florets around the edge and long pink stamens, on a hairy stalk](https://tuinontwerp.app/images/blog/beemdkroon-bloom-af29c148.webp)
*Flower*

## How do you recognise field scabious?

Start at the base. A rosette of long, grey-green leaves grows there, often with a coarsely toothed edge. Higher up the stem, the leaves sit in opposite pairs. These stem leaves are deeply cut, like a feather with narrow segments. Fine hairs cover the whole plant, which gives field scabious a greyish look.

Each long stalk ends in a flower head 2 to 4 centimetres across. The head is fairly flat. Around its edge the florets are larger and point outwards. Every single floret ends in four petal lobes. After flowering, the round seed head soon falls apart.

Small scabious (Scabiosa columbaria) looks very much like it. Count the petal lobes on one floret: small scabious has five, field scabious four. Field scabious also carries long, spreading hairs on the stalk just below the head. Garden centres sell a different species too, Knautia macedonica. Its flower heads are a deep wine red.

## Where does field scabious grow best?

Field scabious belongs in full sun, meaning a spot with more than six hours of direct sunlight a day around midsummer. Moderately fertile soil is enough, ideally on the dry side and with a little lime. In the wild the species grows mainly on dykes and road verges. Since 1950 field scabious has declined by a quarter to a half, and the Dutch Red List ranks it as vulnerable.

Field scabious struggles in these spots:

- **Heavy clay with standing water after a shower.** The roots go deep and want soil that drains well. In wet clay they sit in water for too long.
- **A lawn you mow every week.** Each mowing takes the flower stems away with the clippings. In the wild the plant grows in hay meadows, which are mown far less often.

In autumn the stems and leaves die back. All winter long, almost nothing of field scabious shows above ground.

![A border in front of a wooden fence in two halves: on the left in July a group of flowering pale lilac field scabious, on the right the same border in January with bare soil and some brown leaves, with a box ball at each end](https://tuinontwerp.app/images/blog/beemdkroon-1-e12e25c8.webp)
*The same border in July and in January. This is a generated image, not a photograph.*

One clump grows half a metre wide at most, so a narrow border has room for a few side by side. When you put field scabious on the plan of your own garden, the app draws the plant at a grown plant's width, not at pot size.

## Planting and caring for field scabious

Nurseries sell field scabious as a young plant in a pot, labelled *beemdkroon* in Dutch shops. A potted plant can go in at any time of year, as long as the ground is not frozen or waterlogged. Plant it just deep enough to bury the roots. Then water it well, even if it has just rained.

Leave about 35 centimetres between plants, which comes to 7 to 9 per square metre. At first that looks like a lot of bare soil around the young plants. After a few summers the clumps touch.

| When | What to do |
| --- | --- |
| After flowering, late September or October | Cut off the old flower stems |

Many bird species breed from March to the end of July, and some keep going into August. Cutting only after flowering keeps you clear of those months.

## What goes wrong with field scabious?

**The plant hardly flowers.** Look at the light first, because field scabious wants a sunny spot. For a new plant, choose a place with more sun.

**The stems lean or flop over.** That is normal for field scabious: its stems are floppy by nature. Nothing is wrong with the plant.

**The young plant droops in its first summer.** Give it water. Perennials need that in their first year, even a species that copes well with drought later on.

**Small green or black insects sit on the stems.** Those are aphids, and field scabious sometimes gets them. A few aphids belong in a healthy garden. If a colony grows large, squash it between finger and thumb.

## Which insects and birds use field scabious?

A study in England recorded more than 35 species of possible pollinators on field scabious. Among them were eight species of bee, eleven of butterfly and eight of fly.

One wild bee depends on the plant almost entirely: the large scabious mining bee (Andrena hattorfiana), *knautiabij* in Dutch. This mining bee is listed as endangered on the Dutch Red List. In the South Limburg hills it was found at dozens of sites. The marbled white (Melanargia galathea), a very rare butterfly in the Netherlands, is often seen on purple flower heads such as those of field scabious.

> **Did you know?**
>
> A female large scabious mining bee sometimes stands out with big, pink-red lumps of pollen on her hind legs. That pollen feeds her larvae.

Which birds eat the seeds of field scabious is not well described.

## Is field scabious poisonous or edible?

Field scabious is not known to be a poisonous plant. No use as food has been described either. Not being poisonous does not make the plant edible. Touching field scabious is fine: the stems are hairy, but carry no thorns or prickles.

The photos on this page were made with AI, based on real photos and descriptions of this plant.

## Frequently asked questions

### How tall does field scabious grow?

In a garden usually 30 centimetres to a metre. In the wild the plant stays lower, between 15 and 60 centimetres.

### When does field scabious flower?

From June to September. Each long stem then ends in a flat, pale lilac-blue flower head.

### Is field scabious good for bees?

Yes. Field scabious gives nectar and pollen from June to September. The endangered large scabious mining bee depends almost entirely on this plant for its food.

### Is field scabious poisonous?

No, field scabious is not known to be poisonous. That does not make the plant edible: no use as food has been described.

### Is field scabious native to the Netherlands?

Yes, field scabious is originally native to the Netherlands. In the wild the species is now found mainly on dykes and road verges.

## Sources

- [Duistermaat, Sparrius & Denters, Standaardlijst van de Nederlandse flora 2020 (Gorteria 43)](https://natuurtijdschriften.nl/pub/1019223)
- [NDFF Verspreidingsatlas — Knautia arvensis](https://www.verspreidingsatlas.nl/0692)
- [Flora van Nederland — Beemdkroon](https://www.floravannederland.nl/planten/beemdkroon)
- [Flora van Nederland — Duifkruid](https://www.floravannederland.nl/planten/duifkruid)
- [RHS — Knautia arvensis](https://www.rhs.org.uk/plants/9742/knautia-arvensis/details)
- [RHS — Knautia macedonica](https://www.rhs.org.uk/plants/61000/knautia-macedonica/details)
- [RHS — Shade gardening (definities zon en schaduw)](https://www.rhs.org.uk/advice/profile?pid=934)
- [RHS — Perennials: planting (vaste planten uit een pot)](https://www.rhs.org.uk/plants/types/perennials/planting)
- [RHS — Aphids](https://www.rhs.org.uk/biodiversity/aphids)
- [PFAF — Knautia arvensis](https://pfaf.org/user/Plant.aspx?LatinName=Knautia+arvensis)
- [Pollennieuws / Flora van Nederland — Aandachtspunten hooikoorts vriendelijke tuin](https://www.pollennieuws.nl/post/?permalink=aandachtspunten-hooikoorts-vriendelijke-tuin)
- [Imkerpedia — Drachtplanten](https://www.imkerpedia.nl/wiki/index.php/Drachtplanten)
- [EIS Kenniscentrum Insecten — De Knautiabij: kroon op de Beemdkroon (rapport EIS2008-09)](https://kenniscentruminsecten.nl/publicaties/de-knautiabij-kroon-op-de-beemdkroon-beheeradviezen-voor-bloemrijke-graslanden-in-het-heuvelland/)
- [EIS Nederland — De Knautiabij: kroon op de Beemdkroon (volledig rapport)](https://www.bestuivers.nl/Portals/5/Publicaties/Artikelen/Reemer_etal_2008_Knautiabij.pdf)
- [De Vlinderstichting — Dagvlinders dragen ook bij aan bestuiving](https://www.vlinderstichting.nl/actueel/nieuws/nieuwsbericht/dagvlinders-dragen-ook-bij-aan-bestuiving)
- [De Vlinderstichting — Dambordje](https://www.vlinderstichting.nl/vlinders/overzicht-vlinders/details-vlinder/dambordje)
- [Vogelbescherming — Snoeien in het broedseizoen, mag dat?](https://www.vogelbescherming.nl/actueel/bericht/snoeien-in-het-broedseizoen-mag-dat)
- [Directplant — Beemdkroon (prijs)](https://www.directplant.nl/beemdkroon.html)
- [Heijnen Planten — Knautia arvensis (prijs)](https://www.haagplanten-heijnen.be/beemdkroon-knautia-arvensis-5-10-pot-p9)
- [Natuurlijk Sterker — Knautia arvensis (prijs)](https://natuurlijksterker.nl/webshop/knautia-arvensis-07-liter-pot-p9-bio-beemdkroon-biologisch-geteeld-inheems/)
- [Sprinklr — Beemdkroon (prijs)](https://sprinklr.co/products/beemdkroon)
- [Puur van 't Veld — Beemdkroon (hoogte)](https://www.puurvantveld.eu/Beemdkroon-Knautia-arvensis-Bio-vaste-plant)
- [May & June — Knautia arvensis (hoogte)](https://shop.studiomayandjune.com/products/knautia-arvensis-beemdkroon-1)
- [Wikimedia Commons — Leaf: photo by AnRo0002 (CC0)](https://commons.wikimedia.org/wiki/File:20130528Knautia_arvensis9.jpg)
- [Wikimedia Commons — Flower: photo by AnRo0002 (CC0)](https://commons.wikimedia.org/wiki/File:20210612Knautia_arvensis1.jpg)

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