None known Plant Care

Guettarda baladensis Guillaumin

Updated · Sources · How we source care data

The Guettarda baladensis is recognizable by its glossy, dark green leaves with prominent veins that originate from Madagascar. Plant collectors are drawn to this species for its rare and unique appearance, making it a prized addition to their botanical collections.

🌳Trees🌿Shrubs🪴Houseplants
Water

Every 7–14 days

Light

Partial shade to full sun

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for None known?

Plant None known in partial shade to full sun (USDA zones 13b) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.

What Is the None known?

None known (Guettarda baladensis) belongs to the Rubiaceae family within the Guettarda genus. None known is native to Madagascar.

None known displays an upright, spreading shrub growth habit, reaching up to 4 ft tall with a spread of approximately 4 ft. None known produces small white fragrant flowers in clusters.

Leaf size: approximately 4 inches.

How Often Should You Water a None known?

Water a young or newly planted None known every 7–14 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 7–14 days

Until established; then in dry spells

What Light Does the None known Need?

None known thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the None known Prefer?

Guettarda baladensis tolerates temperatures of 65–80°F. None known prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a None known?

Well-draining, slightly acidic soil with added organic matter like compost or peat moss. Good drainage is essential for None known to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a None known?

Feed None known 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 None known?

Choose a spot with partial shade to full sun and well-draining, slightly acidic soil with added organic matter like compost or peat moss. Avoid low spots where water collects after rain.

None known is suited to USDA Zone 13b.

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 None known?

None known can spread to about 4 ft (1.2 m) and reach about 4 ft (1 m) tall. Space plants about 4 ft (1.2 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 None known?

Prune None known 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 None known in Winter?

None known is frost-tender (hardy to USDA zone 13). 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 None known?

None known can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to scabra guettarda plant care, which shares the same genus.

Is the None known Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list None known, 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 None known?

None known is susceptible to aphids, scale insects, 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 None known Need?

None known grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. None known is native to Madagascar. In cooler regions, grow None known as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

None known 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 Guettarda genus — compare its care with other Guettarda species on PlantoScan.

Guettarda is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.

None known thrives in bright light and direct sun — see other bright-light plants.

More Guettarda Species

Other Guettarda species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Guettarda baladensis Guillaumin, family Rubiaceae (first published in Bull. Soc. Bot. France 91: 13 (1944)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list None known, 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 13b, 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.

PlantoScan app icon

Identify Plants Like the
None known Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species