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Plant care

Sheridan Spire Dawn Redwood (Sheridan Spire Metasequoia) care

Metasequoia glyptostroboides 'Sheridan Spire'

Also called Sheridan Spire Dawn Redwood, Sheridan Spire Metasequoia.

RHS H6USDA 4-8Pet-safeIndoor Up to 15–20 m tall × 2–3 m wide

Watering rhythm

Direct sun (at least 4-6 hours)

Regularly — maintain consistently moist soil

Light

Direct sun (at least 4-6 hours)

Soil

Moist, fertile, well-drained to moist loam; slightly acidic; pH 5.5–6.5

Humidity

Moderate to high ambient (45–80%)

Temp

-30°C to 35°C

Pet safety

Pet-safe

Mature size

Up to 15–20 m tall × 2–3 m wide

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Requires full sun for best growth and foliage density. Shade reduces vigour and can cause gaps in the narrow column. Site in an open, unobstructed position with at least 6 hours of direct sun daily. If your only bright window faces south, that's perfect for sheridan spire dawn redwood — same window any aroid would fry on.

Watering

Watering sheridan spire dawn redwood: regularly — maintain consistently moist soil. 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. Like all Metasequoia, this cultivar thrives in moist conditions and tolerates periodic waterlogging. Water deeply and consistently, especially during establishment and summer dry spells. Mulch well to reduce moisture loss.

Soil and pot

Sheridan Spire Dawn Redwood grows best in moist, fertile, well-drained to moist loam; slightly acidic; ph 5.5–6.5. Best in deep, fertile, moisture-retentive loam. Tolerates heavier, moisture-retaining soils and occasional flooding. Avoid dry, shallow, or strongly alkaline soils which impair growth and cause needle scorch. 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

Sheridan Spire Dawn Redwood sits happiest at around Moderate to high ambient (45–80%) humidity and -30°C to 35°C (-22°F to 95°F). Performs best in temperate climates with moderate humidity. Adapted to river-valley conditions in its native China. In low-humidity, hot climates, ensure consistent moisture to prevent foliage scorch. 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 sheridan spire dawn redwood sparingly. Apply a balanced slow-release granular fertiliser in early spring to encourage vigorous growth. In rich, moist soils, feeding can be light. Avoid excessive nitrogen, which produces soft growth at the expense of the columnar structure. 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 sheridan spire dawn redwood in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Snow and ice load damageThe narrow, fastigiate form can suffer branch breakage under heavy snow or ice accumulation. Gently brush off snow after snowfall before ice sets. In very snowy climates, light netting or spiral tying in winter can protect the form.
  • Needle scorch in dry conditionsDry soils combined with summer heat cause needle tip browning. Metasequoia is moisture-demanding; 'Sheridan Spire' is no exception. Address with deep, regular watering and a 7–10 cm mulch layer over the root zone.
  • Dieback of lowest branchesIn shaded urban settings or when the base is crowded, the lowest branches may thin and die back over time. Ensure adequate sun reaches the full height of the tree. No intervention beyond removal of dead wood is needed.

Propagation

Propagated vegetatively — semi-hardwood cuttings in late summer under mist with bottom heat, or hardwood cuttings in winter. Seed does not reliably reproduce the fastigiate form. Grafting onto Metasequoia species seedlings is also practised. 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

Sheridan Spire Dawn Redwood is pet-safe. Metasequoia glyptostroboides is not listed as toxic by the ASPCA. No toxic principles are reported for the genus; foliage, cones, and bark are considered non-toxic to dogs and cats. 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.

Sheridan Spire Dawn Redwood care — frequently asked questions

What is the common name for Metasequoia glyptostroboides 'Sheridan Spire'?

Metasequoia glyptostroboides 'Sheridan Spire' is most commonly called Sheridan Spire Dawn Redwood, but it is also known as Sheridan Spire Dawn Redwood, Sheridan Spire Metasequoia. The names refer to the same species, so care instructions for Sheridan Spire Dawn Redwood apply identically to anything sold as Sheridan Spire Metasequoia.

How much light does sheridan spire dawn redwood need?

Sheridan Spire Dawn Redwood grows best in direct sun (at least 4-6 hours). Requires full sun for best growth and foliage density. Shade reduces vigour and can cause gaps in the narrow column. Site in an open, unobstructed position with at least 6 hours of direct sun daily.

How often should I water sheridan spire dawn redwood?

Water sheridan spire dawn redwood regularly — maintain consistently moist soil. Like all Metasequoia, this cultivar thrives in moist conditions and tolerates periodic waterlogging. Water deeply and consistently, especially during establishment and summer dry spells. Mulch well to reduce moisture loss. 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 sheridan spire dawn redwood toxic to cats and dogs?

Sheridan Spire Dawn Redwood is pet-safe. Metasequoia glyptostroboides is not listed as toxic by the ASPCA. No toxic principles are reported for the genus; foliage, cones, and bark are considered non-toxic to dogs and cats.

What USDA hardiness zone does sheridan spire dawn redwood grow in?

Sheridan Spire Dawn Redwood is rated for USDA zone 4-8 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Sheridan Spire Dawn Redwood deep-dive guides

Every aspect of sheridan spire dawn redwood care, each with its own calibrated guide:

Featured in these plant shortlists

Sheridan Spire Dawn Redwood qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best flowering houseplantsIndoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
  • Best pet-safe flowering plantsFlowering 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 lightNon-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
  • Best pet-safe large indoor plantsBig, 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 sunHouseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
  • Best fast-growing houseplantsHouseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants 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

Sheridan Spire Dawn Redwood is also commonly called Sheridan Spire Dawn Redwood or Sheridan Spire Metasequoia.