Plant care
Silverberry (Wolf-willow) care
Elaeagnus commutata
Also called Silverberry, Wolf-willow, American silverberry, Wild olive.
Watering rhythm
Direct sun (at least 4-6 hours)
Low; drought-tolerant once established
Light
Direct sun (at least 4-6 hours)
Soil
Well-drained sandy or gravelly; tolerates poor, alkaline, or saline soils
Humidity
Low to moderate
Temp
-40 to 35°C
Pet safety
Pet-safe
Mature size
2–3 m (6–10 ft) tall
Care at a glance
Light
Silverberry needs sun on the leaves, not just bright ambient room light. Demands full sun; tolerates brief partial shade but becomes open and less floriferous, and suckering is more aggressive in shade. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.
Watering
Water silverberry low; drought-tolerant once established. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Extremely drought-hardy; water occasionally in the first year to establish the root system, then rely on natural rainfall in most temperate climates.
Soil and pot
Silverberry grows best in well-drained sandy or gravelly; tolerates poor, alkaline, or saline soils. Root nodules fix atmospheric nitrogen, so this shrub actually prefers lean, infertile soil — rich, moist conditions promote excessive suckering and can cause chlorosis. 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
Silverberry sits happiest at around Low to moderate humidity and -40 to 35°C (-40 to 95°F). Adapted to the dry continental interior of North America; good air circulation reduces the risk of fungal leaf spot. 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 silverberry sparingly. Avoid fertilising — nitrogen-fixation via root nodules meets all nutritional needs; added nitrogen promotes rank, invasive 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 silverberry in the Growli community. Each is annotated with the most common cause so you know where to start.
- Aggressive suckering — The plant spreads rapidly via root suckers and can be difficult to contain; remove suckers promptly at soil level or install a buried root barrier when planting near borders.
- Fungal leaf spot and honey fungus — Wet conditions favour fungal leaf spot (Cercospora or similar) and honey fungus (Armillaria); ensure excellent drainage and remove infected debris promptly.
Propagation
Divide and transplant rooted suckers in autumn or early spring; semi-ripe cuttings taken in summer root in sandy compost; seed requires 3 months cold stratification. 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
Silverberry is pet-safe. Elaeagnus commutata is not listed as toxic to cats or dogs by the ASPCA. The berries are edible for humans and wildlife. No toxic principles have been identified in this species. 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.
Silverberry care — frequently asked questions
What is the common name for Elaeagnus commutata?
Elaeagnus commutata is most commonly called Silverberry, but it is also known as Silverberry, Wolf-willow, American silverberry, Wild olive. The names refer to the same species, so care instructions for Silverberry apply identically to anything sold as Wolf-willow.
How much light does silverberry need?
Silverberry grows best in direct sun (at least 4-6 hours). Demands full sun; tolerates brief partial shade but becomes open and less floriferous, and suckering is more aggressive in shade.
How often should I water silverberry?
Water silverberry low; drought-tolerant once established. Extremely drought-hardy; water occasionally in the first year to establish the root system, then rely on natural rainfall in most temperate climates. 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 silverberry toxic to cats and dogs?
Silverberry is pet-safe. Elaeagnus commutata is not listed as toxic to cats or dogs by the ASPCA. The berries are edible for humans and wildlife. No toxic principles have been identified in this species.
What USDA hardiness zone does silverberry grow in?
Silverberry is rated for USDA zone 2-6 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Silverberry deep-dive guides
Every aspect of silverberry care, each with its own calibrated guide:
- Common silverberry problems & fixes
- Silverberry watering schedule
- Silverberry light requirements
- Best soil mix for silverberry
- Silverberry fertilizing guide
- When to repot silverberry
- How to propagate silverberry
- How to prune silverberry
- What's eating my silverberry?
- Silverberry growth rate & size
- Silverberry cold hardiness
- Silverberry temperature & humidity
- Is silverberry toxic to cats & dogs?
- Is silverberry toxic to cats?
- Is silverberry toxic to dogs?
- Getting silverberry to bloom
Featured in these plant shortlists
Silverberry qualifies for 12 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- 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 pet-safe flowering plants — Flowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
- Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
- Best pet-safe large indoor plants — Big, floor-standing houseplants the ASPCA lists as non-toxic to cats and dogs — a statement plant that is safe around pets.
- Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
- Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
- Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
- Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
- Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Silverberry is also known as Silverberry, Wolf-willow, American silverberry, and Wild olive.