Growli

Plant care

Autumn Olive (autumn elaeagnus) care

Elaeagnus umbellata

Also called autumn olive, autumn elaeagnus, Japanese silverberry.

RHS H6USDA 3-8Pet-safeIndoor Typically 3-5 m tall and as wide (10-16 ft)

Watering rhythm

Direct sun (at least 4-6 hours)

When the top 5 cm of soil is dry; weekly while young, rarely once established

Light

Direct sun (at least 4-6 hours)

Soil

Almost any well-drained soil, even poor and sandy

Humidity

Outdoor ambient

Temp

-30 to 35°C

Pet safety

Pet-safe

Mature size

Typically 3-5 m tall and as wide (10-16 ft)

Care at a glance

Light

Most houseplants will scorch where autumn olive thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun gives the heaviest flowering and fruiting; tolerates partial shade but berry yields fall noticeably in shade. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

For autumn olive in the ground or in a bed, aim for when the top 5 cm of soil is dry; weekly while young, rarely once established. Soak the root zone rather than misting the foliage; deep, less-frequent watering trains roots downward and produces a more drought-resilient plant by mid-season. Drought-tolerant once rooted in thanks to deep roots; water new plants to establish, then it largely fends for itself.

Soil and pot

Autumn Olive grows best in almost any well-drained soil, even poor and sandy. Exceptionally adaptable; as a nitrogen-fixer it thrives on infertile, sandy, gravelly, or disturbed ground and tolerates pH from about 5.5 to 8.0. Only truly waterlogged soils are unsuitable. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Autumn Olive sits happiest at around Outdoor ambient humidity and -30 to 35°C (-22 to 95°F). An outdoor shrub with no humidity requirements; thrives in dry to average conditions and exposed sites including coastal wind. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed autumn olive sparingly. Essentially none needed. As a nitrogen-fixing shrub it makes its own; feeding is unnecessary and extra nitrogen is wasted and encourages rampant growth. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on autumn olive in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Invasive spreadBirds disperse the seeds widely and it colonises fields, roadsides, and woodland edges; it is banned or discouraged in many regions, so deadhead or remove fruit where containment matters.
  • Suckering and self-seedingForms dense thickets; pull seedlings and cut suckers to keep it in bounds.
  • Astringent unripe fruitBerries are mouth-puckering until fully ripe and soft; harvest only well-coloured, slightly squashy fruit for the best flavour.
  • Thorny stemsSome plants bear short spines; wear gloves and site away from paths to avoid scratches during harvest and pruning.

Propagation

Grows readily from cold-stratified seed and from softwood or hardwood cuttings; can also be layered. Because of its invasiveness, propagate only where legal and desirable. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Autumn Olive is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (listed under Autumn Olive, Eleagnus spp., family Elaeagnaceae). The berries are edible for people and animals; as with any plant, large quantities may cause mild, temporary stomach upset. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Autumn Olive care — frequently asked questions

What is the common name for Elaeagnus umbellata?

Elaeagnus umbellata is most commonly called Autumn Olive, but it is also known as autumn olive, autumn elaeagnus, Japanese silverberry. The names refer to the same species, so care instructions for Autumn Olive apply identically to anything sold as autumn elaeagnus.

How much light does autumn olive need?

Autumn Olive grows best in direct sun (at least 4-6 hours). Full sun gives the heaviest flowering and fruiting; tolerates partial shade but berry yields fall noticeably in shade.

How often should I water autumn olive?

Water autumn olive when the top 5 cm of soil is dry; weekly while young, rarely once established. Drought-tolerant once rooted in thanks to deep roots; water new plants to establish, then it largely fends for itself. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is autumn olive toxic to cats and dogs?

Autumn Olive is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (listed under Autumn Olive, Eleagnus spp., family Elaeagnaceae). The berries are edible for people and animals; as with any plant, large quantities may cause mild, temporary stomach upset.

What USDA hardiness zone does autumn olive grow in?

Autumn Olive is rated for USDA zone 3-8 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Autumn Olive deep-dive guides

Every aspect of autumn olive care, each with its own calibrated guide:

Featured in these plant shortlists

Autumn Olive qualifies for 2 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Autumn Olive is also known as autumn olive, autumn elaeagnus, and Japanese silverberry.