Achetaria azurea Plant Care
Achetaria azurea (Linden) V.C.Souza
Updated · Sources · How we source care data
Matourea azurea, the Amazon blue, is a species of shrub in the family Plantaginaceae. It is a subshrub native to Espírito Santo and Rio de Janeiro states in southeastern Brazil.
Every 4–7 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Achetaria azurea?
Plant Achetaria azurea in full sun to partial shade (USDA zones 12a) and water a young shrub every 4–7 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.
Where Is the Achetaria azurea Native To?
What Is the Achetaria azurea?
Achetaria azurea (Achetaria azurea) belongs to the Plantaginaceae family within the Achetaria genus. Achetaria azurea is native to Espírito Santo and Rio de Janeiro states in southeastern Brazil.
Achetaria azurea displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Achetaria azurea produces small tubular flowers in shades of purple, pink, or white.
Leaf size: approximately 3 inches.
How Often Should You Water a Achetaria azurea?
Water a young or newly planted Achetaria azurea every 4–7 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 4–7 days
Until established; then in dry spells
What Light Does the Achetaria azurea Need?
Achetaria azurea thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Achetaria azurea Prefer?
Achetaria azurea tolerates temperatures of 50–80°F. Achetaria azurea prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Achetaria azurea?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Achetaria azurea to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Achetaria azurea?
Feed Achetaria azurea every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Achetaria azurea?
Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter for moisture retention. Avoid low spots where water collects after rain.
Achetaria azurea is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Achetaria azurea?
Achetaria azurea can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Achetaria azurea?
Prune Achetaria azurea while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Achetaria azurea in Winter?
Achetaria azurea is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Achetaria azurea?
Achetaria azurea can be propagated through seeds, division of offsets.
Is the Achetaria azurea Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Achetaria azurea, 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 Achetaria azurea?
Achetaria azurea is susceptible to aphids, spider mites, snails. 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 Achetaria azurea Need?
Achetaria azurea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Achetaria azurea is native to Espírito Santo and Rio de Janeiro states in southeastern Brazil. In cooler regions, grow Achetaria azurea as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Achetaria azurea 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 Achetaria genus — compare its care with other Achetaria species on PlantoScan.
Achetaria is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.
Achetaria azurea 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: Achetaria azurea (Linden) V.C.Souza, family Plantaginaceae (first published in Pesquisas, Bot. 60: 90 (2009)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Achetaria azurea, 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 12a, 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.
