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Plant care

Betula pendula 'Youngii' (Young's Weeping Birch) care

Betula pendula 'Youngii'

Also called Young's Weeping Birch.

RHS H7USDA 2-7Mildly toxic to petsIndoor Typically 3-6 m tall and 3-5 m wide

Watering rhythm

Direct sun (at least 4-6 hours)

Weekly while young; deep-water in dry spells

Light

Direct sun (at least 4-6 hours)

Soil

Moist, well-drained, moderately fertile soil

Humidity

Ambient outdoor

Temp

-35 to 32°C

Pet safety

Mildly toxic to pets

Mature size

Typically 3-6 m tall and 3-5 m wide

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun for strong growth, the whitest bark and best autumn colour. It tolerates light shade but is happiest in open, sunny positions. If your only bright window faces south, that's perfect for betula pendula 'youngii' — same window any aroid would fry on.

Watering

Watering betula pendula 'youngii': weekly while young; deep-water in dry spells. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Keep newly planted trees evenly moist for several years. Once established it handles brief dry periods, but its shallow roots mean it benefits from watering during droughts.

Soil and pot

Betula pendula 'Youngii' grows best in moist, well-drained, moderately fertile soil. Adaptable to most soils including chalk, clay and sand if drainage is adequate. Slightly acid to neutral pH is ideal; mulch to keep the shallow roots cool and moist. 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

Betula pendula 'Youngii' sits happiest at around Ambient outdoor humidity and -35 to 32°C (-31 to 90°F). A hardy outdoor tree with no special humidity needs. Good air circulation around the dense weeping crown helps reduce leaf-spot and rust problems. 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 betula pendula 'youngii' sparingly. Light feeder. A spring compost mulch or balanced slow-release fertiliser suits young trees; mature specimens rarely need feeding. Avoid excess nitrogen, which encourages aphid-prone soft 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 betula pendula 'youngii' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Aphids and honeydewAphids on new shoots drip sticky honeydew that blackens with sooty mould beneath the dense crown. Encourage predators and avoid over-feeding with nitrogen.
  • Birch rustOrange rust pustules and premature leaf drop appear in wet summers. Usually cosmetic; collect and dispose of fallen leaves to limit spread.
  • Rootstock suckers and reversionAs a grafted weeper, upright shoots from the rootstock or above the graft can spoil the form. Remove suckers and any vigorous non-weeping growth promptly.
  • Crowded crown diebackThe dense, ground-trailing canopy can hold damp and shade out inner growth. Thin congested branches and lift skirts off wet ground to improve airflow.

Propagation

A grafted cultivar — propagated by top-working (budding or grafting) 'Youngii' onto a Betula pendula standard stem at the desired height. It does not come true from seed and roots poorly from cuttings. 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

Betula pendula 'Youngii' is mildly toxic to pets. Betula is not individually listed on the ASPCA Toxic or Non-Toxic Plants database; treat with caution and verify with a vet. Bark and foliage are generally considered low risk, but chewing may cause mild gastrointestinal upset, so discourage ingestion. 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.

Betula pendula 'Youngii' care — frequently asked questions

What is the common name for Betula pendula 'Youngii'?

Betula pendula 'Youngii' is most commonly called Betula pendula 'Youngii', but it is also known as Young's Weeping Birch. The names refer to the same species, so care instructions for Betula pendula 'Youngii' apply identically to anything sold as Young's Weeping Birch.

How much light does betula pendula 'youngii' need?

Betula pendula 'Youngii' grows best in direct sun (at least 4-6 hours). Full sun for strong growth, the whitest bark and best autumn colour. It tolerates light shade but is happiest in open, sunny positions.

How often should I water betula pendula 'youngii'?

Water betula pendula 'youngii' weekly while young; deep-water in dry spells. Keep newly planted trees evenly moist for several years. Once established it handles brief dry periods, but its shallow roots mean it benefits from watering during droughts. 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 betula pendula 'youngii' toxic to cats and dogs?

Betula pendula 'Youngii' is mildly toxic to pets. Betula is not individually listed on the ASPCA Toxic or Non-Toxic Plants database; treat with caution and verify with a vet. Bark and foliage are generally considered low risk, but chewing may cause mild gastrointestinal upset, so discourage ingestion.

What USDA hardiness zone does betula pendula 'youngii' grow in?

Betula pendula 'Youngii' is rated for USDA zone 2-7 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Betula pendula 'Youngii' deep-dive guides

Every aspect of betula pendula 'youngii' care, each with its own calibrated guide:

Featured in these plant shortlists

Betula pendula 'Youngii' qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Betula pendula 'Youngii' is also commonly called Young's Weeping Birch.