Plant care
Autumn Olive (autumn elaeagnus) care
Elaeagnus umbellata
Also called autumn olive, autumn elaeagnus, Japanese silverberry.
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 spread — Birds 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-seeding — Forms dense thickets; pull seedlings and cut suckers to keep it in bounds.
- Astringent unripe fruit — Berries are mouth-puckering until fully ripe and soft; harvest only well-coloured, slightly squashy fruit for the best flavour.
- Thorny stems — Some 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:
- Autumn Olive watering schedule
- Autumn Olive light requirements
- Best soil mix for autumn olive
- Autumn Olive fertilizing guide
- When to repot autumn olive
- How to propagate autumn olive
- Autumn Olive growth rate & size
- Autumn Olive cold hardiness
- Autumn Olive temperature & humidity
- Is autumn olive toxic to cats & dogs?
- Is autumn olive toxic to cats?
- Is autumn olive toxic to dogs?
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:
- Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
- Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Autumn Olive is also known as autumn olive, autumn elaeagnus, and Japanese silverberry.