What are the most common weeds in gardens and vegetable gardens? How to recognize narrow-leaved and broad-leaved ones? When to eradicate them?


To successfully cultivate ornamental plants, the lawn of our garden and the terrace, we need to get rid of weeds that grow everywhere and with a negligible ease, you don’t have time to uproot them and they already reappear stubborn stronger than before if the roots are broken.


To avoid impoverishment of the soil to the disadvantage of floral and vegetable crops, we must therefore eradicate them before flowering and ripening of the seeds.

Narrow-leaved weeds


The gramigna, scientific name is Agropyrum repens, is a herbaceous plant of the Poaceae family very common in Europe, Asia and Northern Africa. It grows in places with high humidity, in often clayey soils, in the vicinity of the sea, of lakes, rivers and the mountains.

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It has very long whitish underground rhizomes, which generate 50 to 100 cm tall bushes, composed of linear, flat, 3 to 10 mm wide leaves. The flowers are gathered in spiked inflorescences carried on the tops of the stems. They are green in color and appear between June and September. Thanks to the vigor of its roots, this plant is useful for restoring and consolidating steep slopes.



A herb of the Graminaceae family that grows undisturbed in lawns, flower beds, gardens, along the roads, etc. It is a weed that completes its vegetative cycle between summer and autumn. In Winter it dries up and dies but in the following summer the seeds fallen to the ground germinate giving life to many new plants ready to restart the life cycle. The Setaria produces stems with one or more narrow almost linear leaves that from June to October carry on the apexes inflorescences in biflorous spikelets similar to pipe cleaners formed by rounded corpuscles and 5-6 bristles up to 1 cm long. The fruits are caryopsis which, once they reach maturity, fall to the ground. The seeds of digitaria are edible and can be eaten like rice, or ground into a flour and made into porridge, cakes and puddings.

Digitaria sanguinalis

Digitaria sanguinalis

A narrow-leaved annual weed herb that grows vigorously among lawn grass during the summer period. In full vegetative cycle it forms large tufts with large and vigorous leaves that contrast with the fine foliage of the lawn. It produces inflorescences that resemble the fingers of a hand. The flowers produce many fertile seeds, which sprout the following year. It is a plant that grows rapidly and in a short time suffocates and inhibits the photosynthesis of lawn grass. In winter it dries up, leaving large, aesthetically unacceptable brownish patches on the lawn. Digitaria is very difficult to eliminate without also causing damage to the surrounding lawn. Its spread must be countered with products that block the germination of seeds.

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Commonly known as Romice or Lapazio, it is a widespread weed in all uncultivated land, in vegetable gardens and orchards. It has strong, long taproot roots that are difficult to uproot. It forms vigorous bushes up to 2 meters high, composed of large heart-shaped or lanceolate leaves similar to swords, of an intense green color. From late spring and throughout the summer it produces small reddish flowers gathered in panicles with petals replaced by 3 sepals inside the calyx and 3 external, greenish sepals, which envelop the fruits. It produces a lot of seeds and a lot of pollen.


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A herbaceous plant of the Amarantaceae family grown in many countries for food purposes. Amaranth is a plant about 1 meter tall, has a taproot root system, leaves 5/20 centimeters long. It develops a main inflorescence from which the flowers develop, small capsules that enclose the seeds. The seeds and leaves are edible and are used in cosmetics for the preparation of tanning creams.


Plantain or Plantago maior

A herbaceous plant with a strong tap root. It forms vigorous bushes of green leaves and produces numerous seeds that are used in phytotherapy for the preparation of laxative infusions.



Known as false nettle, it is a plant that forms dense carpets in uncultivated land and vegetable gardens and which also grows well in pots. It has reddish-green quadrangular stems with heart-shaped leaves and toothed margins. It produces pink (Lamium purpureum) or white (Lamium album) flowers.


Centocchio – Medium Stellaria

Stellaria media is a plant that grows on uncultivated land and vegetable gardens in winter and early spring. It has a prostrate and branched posture, it forms dense carpets on humid soils. It produces small flowers, starry white flowers and ovoid capsules containing tiny seeds. It is a plant loved by reason hens and its English name chickweed means just right chicken grass.



A plant of the Asteraceae family with rhizomatous or taproot roots with a slightly aromatic smell. It produces dense tufts of dark green leaves divided into very narrow segments. It produces panicle inflorescences composed of numerous peeping flowers and numerous ellipsoidal achenes provided with pappus. This weed of the fields, of the orchards of the vegetable gardens is used to combat menstrual pain.



The dandelion or dandelion or simply dandelion is a small plant with a tenacious and robust root system. It grows in all types of soil, along the edges of roads, in meadows, in fields and even in the mountains. The tender leaves of this plant are eaten in salads and cooked in soups the buds are preserved in vinegar as a substitute for capers.



Convolvulus arvensis is a plant with creeping stems capable of climbing and wrapping itself around any type of support on other plants. It easily reproduces by seed.

Shepherd's purse

Shepherd’s purse

Capsella bursa-pastoris is a herbaceous plant that produces white flowers arranged on racemic inflorescences, carried by thin stems 50-80 cm high. After flowering, many fertile seeds ripen which germinate in the soil even at temperatures of 2-5 ° C. In winter, the plant produces a rosette of long, serrated and edible leaves reminiscent of those of rocket.


Nettle is an invasive plant that grows everywhere even between the cracks in rocks and walls. It forms a dense bush of erect quadrangular stems covered with leaves with stinging hairs. Nettle is used as a raw material for the preparation of products useful for the health and well-being of the person. For food purposes it is consumed like asparagus and in vegetable gardens and gardens as a natural repellent against pests and annoying insects.

Galinsoga-herbaceous weed


A plant that grows in all terrains and that develops in summer especially in vegetable gardens. It has light green leaves and tiny yellow flowers with white petals. The stem grows up to about 1 meter and is branched.

poppy-corn poppy


The common poppy or corn poppy, much appreciated in mixed ornamental blooms, is a weed and invasive plant in wheat fields feared by farmers because it is the vehicle of the cucumber mosaic, other dangerous viral and fungal diseases. The flowers are used in the preparation of an effective syrup for the treatment of cough and flu symptoms.


Portulaca oleracea

A succulent herbaceous plant with fleshy stems and leaves. It has a creeping habit and appears in summer especially in moist or regularly irrigated soils such as vegetable gardens. It is a weed that is also grown in pots because it is edible, rich in Omega 3 and excellent. It is also commonly called porcelain grass because it is very popular with pigs.



Farinaccio, Chenopodium, it is one of the most common weeds of vegetable gardens characterized by rapid growth. It grows in soils rich in organic matter and fertile. It forms a bush composed of erect stems with light green leaves covered with a floury texture to the touch, hence the vulgar name farinaccio or farinello. It is consumed as a vegetable in the Alpine regions.


The weeds they grow rapidly and reproduce easily through the seeds that fall on the ground and are carried by the wind and by animals even many meters away. To counter their spread, it is absolutely necessary to avoid that they grow to flower and produce seeds.

Therefore it is necessary to defend the terrace, the lawn and the ornamental plants with specific products, with organic but effective natural remedies and the use of useful and practical tools that allow you to uproot the robust and very deep roots without causing aesthetic damage.

Weeds photo gallery


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