Annual Psyllium Plant Care
Psyllium annuum Mirb.
Updated · Sources · How we source care data
Plantago indica, commonly known as branched plantain, sand plantain, or black psyllium, is a flowering plant in the plantain family Plantaginaceae, and is one of a group of species in the genus Plantago formerly treated by some authors in a separate genus Psyllium. The plant is native to parts of Africa, Europe, Russia, and Asia, and is naturalised in many other areas such as Australia and North America.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Annual Psyllium?
Water Annual Psyllium every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Annual Psyllium Native To?
- Albania
- Algeria
- Angola
- Austria
- Belarus
- Belgium
- Benin
- Bosnia and Herzegovina
- Botswana
- Bulgaria
- Burkina Faso
- Burundi
- Cameroon
- Cape Verde
- Central African Republic
- Chad
- Côte d'Ivoire
- Croatia
- Cyprus
- Czechia
- Denmark
- Djibouti
- DR Congo
- Egypt
- Equatorial Guinea
- Eritrea
- Estonia
- Eswatini
- Ethiopia
- Finland
- France
- Gabon
- Germany
- Ghana
- Greece
- Guinea
- Guinea-Bissau
- Hungary
- Iceland
- Ireland
- Italy
- Kenya
- Latvia
- Lesotho
- Liberia
- Libya
- Lithuania
- Luxembourg
- Madagascar
- Malawi
- Mali
- Malta
- Mauritania
- Moldova
- Montenegro
- Morocco
- Mozambique
- Namibia
- Niger
- Nigeria
- North Macedonia
- Norway
- Poland
- Portugal
- Republic of the Congo
- Romania
- Russia
- Rwanda
- Sao Tome and Principe
- Senegal
- Serbia
- Sierra Leone
- Slovakia
- Slovenia
- Somalia
- South Africa
- South Sudan
- Spain
- Sudan
- Sweden
- Switzerland
- Tanzania
- The Gambia
- The Netherlands
- Togo
- Tunisia
- Uganda
- Ukraine
- United Kingdom
- Zambia
- Zimbabwe
What Is the Annual Psyllium?
Annual Psyllium (Psyllium annuum) belongs to the Plantaginaceae family within the Psyllium genus. Annual Psyllium is native to parts of Africa, Europe, Russia, and Asia.
Annual Psyllium displays a low-growing herbaceous plant growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Annual Psyllium produces small inconspicuous flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Annual Psyllium?
Psyllium annuum requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Annual Psyllium Need?
Annual Psyllium thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Annual Psyllium Prefer?
Psyllium annuum grows best at temperatures of 60–80°F. Annual Psyllium prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Annual Psyllium?
Well-draining sandy loam with organic matter. Good drainage is essential for Annual Psyllium to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Annual Psyllium?
Feed Annual Psyllium every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Annual Psyllium?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Annual Psyllium?
Annual Psyllium can be propagated through seeds, division of root ball.
Is the Annual Psyllium Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Annual Psyllium, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Annual Psyllium?
Annual Psyllium is susceptible to aphids, leafhoppers, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Annual Psyllium Need?
Annual Psyllium grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Annual Psyllium is native to parts of Africa, Europe, Russia, and Asia. In cooler regions, grow Annual Psyllium as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Annual Psyllium is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Psyllium genus (family Plantaginaceae) — search all Psyllium species in the plant lookup.
Annual Psyllium thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Psyllium annuum Mirb., family Plantaginaceae (first published in Hist. Pl. ed. II. xiv. [1800] 332, 333.) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Annual Psyllium, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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