Spartium junceum - L.
Common Name Spanish Broom, Weaver's Broom, Spanish Broom
Family Fabaceae or Leguminosae
USDA hardiness 8-9
Known Hazards None known
Habitats Dry situations amongst rocks and in bushy places, usually on limestone soils[45, 148].
Range S. Europe to N. Africa. Naturalized in S. Britain[17].
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Frost Hardy Well drained soil Moist Soil Full sun

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Bloom Color: Yellow. Main Bloom Time: Early summer, Early fall, Late summer, Mid summer. Form: Rounded, Upright or erect.

Spartium junceum Spanish Broom, Weaver

Spartium junceum Spanish Broom, Weaver
Physical Characteristics
 icon of manicon of shrub
Spartium junceum is a deciduous Shrub growing to 3.5 m (11ft) by 3 m (9ft) at a fast rate.
It is hardy to zone (UK) 8. It is in flower from Jun to September, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure.
It can tolerate atmospheric pollution.

Genista juncea. G. odorata.

Woodland Garden Sunny Edge;
Edible Uses
None known
Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Diuretic;  Emetic;  Purgative.

The young herbaceous tips of flowering shoots are harvested in spring, generally in May[4]. They can be used fresh or dried and are cardiotonic, cathartic, diuretic, emetic and purgative[4, 7, 89]. The seeds can also be used[4]. The plant is an efficacious and potent diuretic[7]. This plant is 5 - 6 times more active than the medicinally similar Cytisus scoparius and should be used with caution since large doses are likely to upset the stomach and cause purging[4].


Other Uses
Basketry;  Besom;  Dye;  Essential;  Fibre.

A fibre from the stems is a hemp substitute[148]. It is used to make thread, cordage and coarse fabrics[4, 7, 11, 61, 89, 160, 169]. It is also used for stuffing pillows etc and for making paper[46]. The smaller stems are used in basket making[7, 46, 61, 89, 160]. The branches are often made into brooms[7]. A yellow dye is obtained from the flowers[7, 89, 148, 169]. An essential oil is obtained from the flowers, it is used in perfumery[46, 61]. 1200kg of flowers yields 300 - 350gr absolute[46].
Cultivation details
Agroforestry Services: Nitrogen;  Industrial Crop: Biomass;  Industrial Crop: Fiber;  Management: Coppice;  Regional Crop.

Landscape Uses:Border, Massing, Specimen. Succeeds in any well-drained but not too fertile soil in a sunny position[200]. Prefers a lime free soil according to one report[1] whilst another says that it thrives on alkaline and poor sandy soils[200]. Very wind resistant, tolerating maritime exposure[166, 200]. Tolerates atmospheric pollution[200] and thrives on hot dry banks[11, 166]. A very ornamental plant, it is hardy to between -10 and -18°c when in a suitable position[200]. The flowers have a fragrance that has been likened to oranges[245]. Plants can become leggy if grown in a sheltered position or too rich a soil[200], but they can be pruned almost to the ground and will resprout from the base[K]. They can also be trimmed in early spring in order to keep them more compact[188]. Plants are intolerant of root disturbance, they are best grown in pots and planted out into their permanent positions whilst still small[11]. Plants often self-sow in Britain[1]. Rabbits love eating this plant when it is young[1, K]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200]. Special Features: Not North American native, Naturalizing, Fragrant flowers, Attractive flowers or blooms.
Seed - pre-soak 24 hours in hot water and sow February/March in a greenhouse. It usually germinates well and quickly[78, 200]. The seed can also be autumn sown as soon as it is ripe in a cold frame[200]. Prick out the seedlings into individual pots when they are large enough to handle. If sufficient growth is made, it is possible to plant out in the summer, otherwise overwinter them in a cold frame and plant out in late spring of the following year.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants


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Botanical References
Links / References
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Readers comment
   Mon Nov 26 02:50:09 2001
Frederic Bendali   Wed Jun 27 2007
In Greece the Spartium junceum is not at all linked with limestones.
A potential plant in sustainable seeds supply for chooks that doesn't rely on external inputs.   Jul 25 2012 12:00AM
Noxious weed in Victoria, Australia also, however, seed drop may have have a useful role in chicken forage(see below).
Upgrading the scavenging feed resource base (SFRB) for scavenging chickens; Part I. Preferred perenn
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Subject : Spartium junceum  

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