Growli

Plant care

Honeyberry Blue Velvet (Blue Velvet honeyberry) care

Lonicera caerulea 'Blue Velvet'

Also called Blue Velvet honeyberry, haskap Blue Velvet.

RHS H7USDA 2-7Mildly toxic to petsIndoor 1-1.5 m tall and wide

Watering rhythm

5-7days

When the top 3-4 cm of soil is dry, about every 5-7 days while establishing

Light

Direct sun (at least 4-6 hours)

Soil

Moisture-retentive, well-drained loam

Humidity

40-60%

Temp

-40 to 28°C

Pet safety

Mildly toxic to pets

Mature size

1-1.5 m tall and wide

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Fruits best in full sun but, unusually for a berry, tolerates part shade well, useful in hotter regions where afternoon shade prevents leaf scorch. Aim for at least 4-6 hours of sun for a good crop. If your only bright window faces south, that's perfect for honeyberry blue velvet — same window any aroid would fry on.

Watering

Crops like honeyberry blue velvet reward consistent watering — when the top 3-4 cm of soil is dry, about every 5-7 days while establishing. The mistake is the daily light sprinkle: it never reaches the deeper roots. A long soak twice a week beats a five-minute splash every day. Keep evenly moist, especially the first two years and during fruiting, as the shallow roots dislike drying out. Once established it is moderately tolerant of both moisture and brief drought; mulch helps steady soil moisture.

Soil and pot

Honeyberry Blue Velvet grows best in moisture-retentive, well-drained loam. Highly adaptable to soil type and pH, thriving from about 5.0 to 8.0. Prefers fertile, organic-rich soil that holds moisture yet drains freely. Avoid permanently waterlogged ground despite its tolerance of damp sites. 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

Honeyberry Blue Velvet sits happiest at around 40-60% humidity and -40 to 28°C (-40 to 82°F). Indifferent to humidity in normal outdoor conditions. Good airflow helps prevent the powdery mildew that can mark the foliage later in the season after fruiting. 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 honeyberry blue velvet sparingly. A light feeder. Apply compost or a balanced fertiliser in early spring as growth begins. Over-feeding, especially with nitrogen, encourages soft growth and mildew; an annual compost mulch is usually enough. 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 honeyberry blue velvet in the Growli community. Each is annotated with the most common cause so you know where to start.

  • No fruit without a pollinator partnerHoneyberries are largely self-infertile. Plant a second, bloom-compatible cultivar nearby or you will get flowers but few berries.
  • Birds stripping early fruitBerries ripen very early when little else is available, making them a magnet for birds. Net the bushes as fruit colours up to save the crop.
  • Early bloom and pollination gapsVery early flowers can open before many pollinators are active in cold springs. Site in a sheltered spot and grow compatible cultivars that overlap in bloom.
  • Powdery mildew after fruitingFoliage can develop mildew in mid-to-late summer. It rarely harms an established plant; improve airflow and avoid overhead watering to reduce it.

Propagation

Propagated from softwood cuttings in early summer or hardwood cuttings in late autumn, both rooting reliably. Layering low branches also works. Seed-grown plants are variable, so cuttings are used to keep the cultivar true. 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

Honeyberry Blue Velvet is mildly toxic to pets. The blue honeyberries are edible for people, but Lonicera caerulea is not individually listed by the ASPCA, and the genus Lonicera includes species whose berries cause gastrointestinal upset in pets. Because honeyberry's specific pet status is unconfirmed, treat it with caution as potentially mildly toxic to dogs and cats and verify with a vet rather than assuming it is safe. 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.

Honeyberry Blue Velvet care — frequently asked questions

What is the common name for Lonicera caerulea 'Blue Velvet'?

Lonicera caerulea 'Blue Velvet' is most commonly called Honeyberry Blue Velvet, but it is also known as Blue Velvet honeyberry, haskap Blue Velvet. The names refer to the same species, so care instructions for Honeyberry Blue Velvet apply identically to anything sold as Blue Velvet honeyberry.

How much light does honeyberry blue velvet need?

Honeyberry Blue Velvet grows best in direct sun (at least 4-6 hours). Fruits best in full sun but, unusually for a berry, tolerates part shade well, useful in hotter regions where afternoon shade prevents leaf scorch. Aim for at least 4-6 hours of sun for a good crop.

How often should I water honeyberry blue velvet?

Water honeyberry blue velvet when the top 3-4 cm of soil is dry, about every 5-7 days while establishing. Keep evenly moist, especially the first two years and during fruiting, as the shallow roots dislike drying out. Once established it is moderately tolerant of both moisture and brief drought; mulch helps steady soil moisture. 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 honeyberry blue velvet toxic to cats and dogs?

Honeyberry Blue Velvet is mildly toxic to pets. The blue honeyberries are edible for people, but Lonicera caerulea is not individually listed by the ASPCA, and the genus Lonicera includes species whose berries cause gastrointestinal upset in pets. Because honeyberry's specific pet status is unconfirmed, treat it with caution as potentially mildly toxic to dogs and cats and verify with a vet rather than assuming it is safe.

What USDA hardiness zone does honeyberry blue velvet grow in?

Honeyberry Blue Velvet 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.

Honeyberry Blue Velvet deep-dive guides

Every aspect of honeyberry blue velvet care, each with its own calibrated guide:

Related guides

Honeyberry Blue Velvet is also commonly called Blue Velvet honeyberry or haskap Blue Velvet.