Plantago crassifolia aka Thick Leaved Plantain

Taxonomy ID: 3106

Plantago crassifolia Forssk. is a low-growing perennial herb in the family Plantaginaceae, native to the Mediterranean basin and extending into southern Europe (Cyprus, Greece, Spain), North Africa, and temperate Asia (including Turkey). The species forms a rosette of thick, fleshy leaves — the epithet crassifolia meaning "thick-leaved" — which distinguish it from other plantains. It typically reaches no more than 20 cm in height and produces slender flower spikes characteristic of the genus.

The plant thrives in full sun and tolerates a wide range of soils — sandy, loamy, and clay — provided drainage is adequate. It has a particular affinity for saline or coastal habitats, which is unusual among plantains and reflects its Mediterranean origins. Soil pH tolerance spans from mildly acidic through neutral to mildly alkaline, and the plant prefers consistently moist conditions.

Plantago crassifolia is wind-pollinated and hermaphroditic, capable of self-fertilization. As with most plantains, it is not grown as a houseplant and is not a tree or shrub.

In terms of edibility, the young leaves can be consumed raw or cooked, but Plants For A Future rates its edibility at just 1 out of 5, noting it is regarded as a famine food used only as a last resort. The seeds contain mucilage and have been used as a mild bulk laxative — a medicinal property shared across the genus — earning a medicinal rating of 2 out of 5. No significant other uses have been documented for this species.

No hazards or toxicity are recorded for Plantago crassifolia. The genus as a whole is considered safe, with no known toxic properties, and the ASPCA does not list plantain species among toxic plants.

Common names

Thick Leaved Plantain

More information about Thick Leaved Plantain

How hard is Thick Leaved Plantain to grow?

Plantago crassifolia is an easy-care perennial. It tolerates a wide range of soil types (sandy, loamy, or clay), handles saline conditions, and requires only full sun and moderate moisture to thrive. No significant pest or disease problems have been documented for the genus.

How big does Thick Leaved Plantain grow?

This is a compact, low-growing perennial herb that reaches approximately 20 cm (about 8 inches) in height. It forms a basal rosette of thick leaves and produces slender flower spikes. No spread data is specifically documented for this species.

What do Thick Leaved Plantain flowers look like?

Plantago crassifolia produces slender, erect flower spikes typical of the plantain genus. The flowers are hermaphroditic and wind-pollinated, meaning the plant can self-fertilize without insect assistance.

How is Thick Leaved Plantain pollinated?

🐝 Wind

This species is wind-pollinated and hermaphroditic. It is self-fertile, so a single plant can set seed without a pollinator. Wind carries pollen between flowers, which is typical of the Plantago genus.

Is Thick Leaved Plantain edible?

🍎 Rating 1/5 🥗 Leaves

Young leaves of Plantago crassifolia are edible and can be eaten raw or cooked. However, Plants For A Future gives the species an edibility rating of just 1 out of 5, describing it as a famine food used only as a last resort. The seeds contain mucilage and are also edible. In terms of nutrition, plantain species generally are rich in calcium and vitamins A, C, and K.

Does Thick Leaved Plantain have medicinal uses?

💊 Rating 1/5

The seeds of Plantago crassifolia contain up to 30% mucilage, which acts as a bulk laxative and soothes irritated membranes of the digestive tract. Seed husks alone are sometimes used for this purpose. The plant is included in Kew's Medicinal Plant Names Services because members of its species group are recorded as medicinal, though specific therapeutic uses for this exact taxon are not extensively documented. Across the Plantago genus, leaves have traditionally been applied to treat minor wounds, stings, and skin irritations.

What are other uses of Thick Leaved Plantain?

No significant non-food, non-medicinal uses have been documented for Plantago crassifolia. Plants For A Future assigns an other uses rating of 0 out of 5.

What pests and diseases affect Thick Leaved Plantain?

No significant pest or disease problems are documented for Plantago crassifolia or the broader Plantago genus in available horticultural sources.

How to grow Thick Leaved Plantain outdoors?

Plantago crassifolia is naturally an outdoor plant suited to open, sunny habitats. It originates from Mediterranean coastal and scrubland environments and does well in full sun with well-drained to moderately moist soil. It tolerates saline soils, making it suited to coastal gardens. It is not a houseplant.

What is the region of origin of Thick Leaved Plantain

Thick Leaved Plantain’s native range is S. Europe.

What are the water needs for Thick Leaved Plantain

💧 Moist
Thick Leaved Plantain should be watered regularly, allowing the soil to dry out between waterings.

What is the right soil for Thick Leaved Plantain

pH: Adaptable Any soil
Thick Leaved Plantain loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

What is the sunlight requirement for Thick Leaved Plantain

Thick Leaved Plantain requires abundant, bright and direct light. Placing it less than one foot from a window is the best way to make sure the plant receives enough light to survive and thrive. Depending on your region, however, the current weather can affect the placement of the plant in your home. For example, in some areas the sun may be too direct and intense, so it's best to place it farther away from the window. You may also need to adjust your placement according to the season as the sunlight can change intensity over the course of the year. If you live in a region with significant temperature fluctuations, such as a desert, you may need to place the plant a bit farther away from the window to avoid extreme heat or cold. With some care and attention, your Thick Leaved Plantain will be sure to bring you many years of beauty and enjoyment.

How to fertilize Thick Leaved Plantain

The Thick Leaved Plantain should be transferred to a new pot once it has increased in size two-fold, or on an annual basis, whichever occurs earlier. Replacing the soil with fresh potting soil containing all the necessary nutrients, is sufficient enough to support the growth of the plant, thus avoiding the need to use fertilizer. It's important to note that plants derive their energy from the sun and not fertilizer.
Cat approves this plant

Is Thick Leaved Plantain toxic to humans/pets?

Ploi does not possess verified information regarding the toxicity of this particular plant. In the event that you, a member of your family, or a pet ingests plant material with an unclear toxicity level, it is highly recommended to seek the advice of a medical professional.

More info:
Wikipedia GBIF

Sources

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