Plant Profile

HoneyberryLonicera caerulea

Robust, winter-hardy berry bush with healthy, early-ripening fruits. Ideal for natural gardens and cooler regions.

BerriesHoneysuckle family
Calendar
Honeyberry (Lonicera caerulea): plant portrait - Berries, Honeysuckle family, Harvest May - June
Honeyberry: plant portrait. harvest: May - June.

Quick profile

Key data

Growing calendar
JanFebMarAprMayJunJulAugSepOctNovDec
Planting outdoors
Harvest
Pruning
Planting outdoorsHarvestPruning

Suitable growing locations:

Outdoor garden bedRaised bedContainerBalcony

Good neighbors

StrawberryHerbs (e.g., mint, thyme)Blueberry

Avoid

Common Walnut

Indoor & direct sowing

Honeyberry: Sowing and germination

Indoor sowing

Indoor sowing is uncommon and only relevant for propagation from seeds after cold stratification.

Direct sowing outdoors

Direct sowing is uncommon due to the required cold stratification and slow germination.

Seed depth0.5 - 1 cm
Germination temp5 - 10 °C
Germination time30 - 90 days
Light germinatorNo
Dark germinatorNo
Cold germinatorYes
Stratification neededYes
Pre-soaking recommendedNo

Planting & site

Honeyberry: Planting and spacing

Planting outdoors

Container-grown plants can be planted in spring or autumn. Bare-root plants only in autumn or early spring.

Plant spacing80 - 150 cm
Row spacing150 - 250 cm
Plants per m²0.5 - 1 per m²

Temperature & frost

Honeyberry: Temperature and site

Growing temperaturefrom -40 °C
Optimal temperature15 - 25 °C
Max. heatup to 30 °C
Soil temperature5 - 10 °C
Frost sensitiveNo
Late frost sensitiveYes
Heat tolerancemedium
Cold tolerancevery high

Water & nutrients

Honeyberry: Water, nutrients and care

Watermedium
Critical water phasesFruit development
Watering methodWater at the base
Droughtmedium
Waterlogging sensitiveYes
Mulching recommendedYes
Nutrient needmedium feeder
Compost recommendedYes
Fertilizer sensitivitymedium

Container & growth

Honeyberry: Container, support and growth

Container suitableYes
Pot sizeVolume: from 20 l; Recommended: from 30 l; Diameter: from 30 cm; Depth: from 30 cm
SupportNo
Height100 - 200 cm
Width80 - 150 cm
Root depth30 - 60 cm
Root spread50 - 100 cm
Yield1 - 3 kg

Year plan

Honeyberry Calendar

Plants

Its extremely early flowering makes the honeyberry an important food source for bees in early spring, while the fruits are often ripe as early as May.

Year overview
JanFebMarAprMayJunJulAugSepOctNovDec
Planting outdoors
Harvest
Pruning
Cultivation timeline for Honeyberry (Lonicera caerulea) with sowing, planting, care, and harvest months
Honeyberry: cultivation timeline. calendar: March - June, September - October.

Recurring tasks

Formative and maintenance pruningFebruary - March
Before bud break, to remove dead/damaged wood and thin out for better light and air circulation.
MulchingMarch - April
Nach der Düngung und vor dem Austrieb: A layer of mulch retains soil moisture and suppresses weeds.
PlantingMarch - April, September - October
Boden frostfrei und gut bearbeitbar: Container plants can also be planted in autumn. Bare-root plants only...
WateringMay - July
Bei Trockenheit, besonders während der Fruchtentwicklung: Sufficient water supply is crucial for fruit size and quality.
HarvestMay - June
Früchte sind tiefblau und weich: Fruits do not ripen all at once; multiple pickings are necessary.
Post-harvest thinningJune - July
Immediately after harvest, to remove old fruiting wood and encourage new growth for next year.
Pruning after harvestJune - July
Nach Abschluss der Ernte: Remove old, low-yielding shoots to make space for new, fruit-bearing shoots.

Relevant now

June

  • No additional single task

Next up

July

  • No additional single task

Monthly tasks

Single tasks from monthly data; repeated seasonal windows are shown in the overview above.

GrowingPruningPlant health

January

Quiet month

February

Check for winter damage

Growing

  • Check for winter damageNach starken Frösten: Honeyberries are very winter hardy, but extreme conditions can damage young shoots.

March

FertilizingPruning (thinning)

Growing

  • FertilizingVor dem Austrieb: An application of compost or organic berry fertilizer promotes growth and fruit set.

Pruning

  • Pruning (thinning)Vor dem Austrieb, bei älteren Pflanzen: Remove old, weak, or diseased shoots to stimulate fruit production.

April

Check for pests and diseases

Plant health

  • Check for pests and diseasesRegelmäßig während der Wachstumsperiode: Honeyberries are relatively robust, but watch out for aphids or fungal infections.

May

Quiet month

June

Quiet month

July

Quiet month

August

Check for pests and diseases

Plant health

  • Check for pests and diseasesRegelmäßig während der Wachstumsperiode: Honeyberries are relatively robust, but watch out for aphids or fungal infections.

September

Quiet month

October

Quiet month

November

Quiet month

December

Quiet month

Flowering & pollination

Honeyberry Flowering & pollination

Flowering period

March to April

Flower color

Yellowish-white

Self-fertility

low

Pollinator needed

yes

Overview

Honeyberries are generally not self-fertile and require cross-pollination from a different variety to achieve good yields. Planting at least two different varieties is therefore essential.

Notes

Pollination is primarily carried out by bees and other insects. Early-flowering varieties are particularly important to ensure good pollination.

Pruning & care

Honeyberry Pruning & care

Pruning type

renewal pruning

Pruning timing

Late winter to early spring

Formative and maintenance pruning Before bud break, to remove dead/damaged wood and thin out for better light and air circulation.

Summer

Post-harvest thinning Immediately after harvest, to remove old fruiting wood and encourage new growth for next year.

Remove

Old, unproductive shoots (older than 4-5 years)Weak, thin, or diseased shootsCrossing or inward-growing branchesShoots growing too close to the ground

Preserve

Young, strong, upright shoots (1-4 years old)Outward-growing branchesEnough shoots for good air circulation

Avoid

Heavy pruning on young plants (first 2-3 years)Removing too much healthy, fruiting woodPruning during flowering or fruit development

Tools and hygiene

Always use sharp and clean pruning tools to ensure smooth cuts and minimize disease transmission. Disinfect tools after pruning diseased plants.

Companion guide

Honeyberry Companion guide

Companion guide

Good neighbors

StrawberryHerbs (e.g., mint, thyme)Blueberry

Avoid

Common Walnut

Use & storage

Honeyberry Use & storage

Harvest

Fruits ripen very early in the year, often before strawberries.

Storage

Refrigeration (short-term), Freezing (long-term)

Storage life

In the refrigerator 2-3 days; frozen up to 12 months.

Primary use

Fresh consumption and preservation

Harvest

Fruits ripen very early in the year, often before strawberries.

Processing

FreezingJamJellyJuiceSmoothiesPie topping

After harvest

Handle fruits carefully as they are very soft. Cool or process quickly to extend shelf life. Birds are often faster than the gardener, so netting is recommended.

Edibility & safety

Honeyberry Edibility & safety

For people

In brief: which parts are edible, which parts remain risky, and whether raw consumption makes sense.

Edible parts:Fruits
Caution parts:Leaves, Stems
Raw consumption:Yes, the fruits can be eaten raw. The taste varies from sweet to slightly tart depending on the variety.

Safety notes

Honeyberry fruits are completely edible and non-toxic. Other plant parts are not suitable for consumption.

Animal safety

For animals, the specific plant part matters here: some parts may be suitable, while others should be avoided. At least one critical rating is listed for 1 animal types.

Animal safety by plant part

Each row shows which parts are more suitable and which parts are critical.

Companion animals

Dog icon for animal safety ratingDog

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset., Leaves and stems are not suitable for consumption and should be avoided.

Symptoms

Gastrointestinal upset, Vomiting, Diarrhea

observe

Honeyberry fruits are safe for dogs in moderation and can be given as an occasional treat. Other plant parts such as leaves and stems are not suitable for consumption and should be avoided. Overconsumption may cause gastrointestinal upset.

Open animal page
Cat icon for animal safety ratingCat

Fruits

Leaves, Stems

Risk factors

Excessive consumption of leaves or stems

Symptoms

Gastrointestinal upset, Vomiting, Diarrhea

observe

Honeyberry fruits are safe for cats in small amounts as an occasional treat. Leaves and stems may cause gastrointestinal upset if ingested but are not life-threatening. Monitoring is recommended if larger quantities of potentially problematic plant parts are consumed.

Open animal page
Rabbit icon for animal safety ratingRabbit

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset due to high fiber and acid content., Leaves and stems may contain compounds that could cause gastrointestinal irritation if ingested in large quantities.

Symptoms

Gastrointestinal upset, Diarrhea, soft stools

observe

Honeyberry fruits are suitable for rabbits in small amounts as a treat and are non-toxic. Other plant parts such as leaves and stems should be avoided, as their safety profile is not sufficiently researched and they may potentially cause irritation. Due to the high water and acid content of the fruits, feeding should be limited to avoid digestive issues.

Open animal page
Guinea pig icon for animal safety ratingGuinea pig

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset

Symptoms

Gastrointestinal upset, Diarrhea

observe

Honeyberry fruits are edible and non-toxic for guinea pigs but should only be fed as an occasional treat in small amounts. Leaves and stems are not suitable for consumption and may cause gastrointestinal upset.

Open animal page
Hamster icon for animal safety ratingHamster

Fruits

Leaves, Stems

Risk factors

Excessive consumption of leaves or stems

Symptoms

Gastrointestinal upset, Diarrhea

observe

Honeyberry fruits are suitable for hamsters in small amounts as an occasional treat. Other plant parts such as leaves and stems should be avoided as they may cause gastrointestinal upset. Due to lack of species-specific studies, a conservative assessment is made.

Open animal page
Budgie icon for animal safety ratingBudgie

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset

Symptoms

Gastrointestinal upset, Diarrhea, Lethargy

observe

Honeyberry fruits are edible and non-toxic for budgies but should only be given as an occasional treat. Other plant parts such as leaves and stems are not suitable for consumption and may cause gastrointestinal upset if ingested. Due to lack of species-specific studies, a conservative assessment is made.

Open animal page

Farm animals

Horse icon for animal safety ratingHorse

Fruits

Leaves, Stems

Risk factors

Consumption of non-fruit plant parts

Symptoms

Gastrointestinal upset, Colic

observe

Honeyberry fruits are edible for horses and can be given as treats. Leaves and stems should be avoided as they may cause gastrointestinal upset if consumed in excess. No specific toxins known, but general caution advised for non-fruit parts.

Open animal page
Chicken icon for animal safety ratingChicken

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset

Symptoms

Gastrointestinal upset, Diarrhea, Lethargy

observe

Honeyberry fruits are edible and non-toxic for chickens but should only be fed as an occasional treat. Other plant parts such as leaves and stems are not suitable for consumption and should be avoided by chickens. Overconsumption may cause gastrointestinal upset. If symptoms occur, a veterinarian should be consulted.

Open animal page
Duck icon for animal safety ratingDuck

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset

Symptoms

Gastrointestinal upset, Diarrhea, Lethargy

observe

Honeyberry fruits are safe for ducks in moderation and can be given as a treat. Other plant parts should be avoided as they are not suitable for consumption and may cause gastrointestinal upset. No known toxic compounds in the fruits.

Open animal page
Goose icon for animal safety ratingGoose

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset

Symptoms

Gastrointestinal upset, Diarrhea, Lethargy

observe

Honeyberry fruits are edible and non-toxic for geese in moderation. Other plant parts should be avoided. No specific toxicity data for geese found, but based on the general safety of the fruits and absence of toxicity reports in birds, a conservative assessment is made.

Open animal page
Sheep icon for animal safety ratingSheep

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset., Feed fruits only; avoid leaves and stems.

Symptoms

Gastrointestinal upset, Diarrhea

observe

Honeyberry fruits are edible for sheep and can be fed as a treat. Other plant parts such as leaves and stems should be avoided as their safety is not established. No poisoning symptoms are expected when fruits are fed normally.

Open animal page
Goat icon for animal safety ratingGoat

Fruits

Leaves, Stems

Risk factors

Overconsumption may cause gastrointestinal upset., Leaves and stems are not suitable for consumption and may cause digestive issues in goats.

Symptoms

Gastrointestinal upset, Diarrhea

observe

Honeyberry fruits are safe for goats in moderation and can be offered as a treat. Other plant parts such as leaves and stems should be avoided as they are not suitable for consumption and may cause gastrointestinal upset if consumed in excess. There is no evidence of specific toxic compounds in the plant relevant to goats.

Open animal page
Cattle icon for animal safety ratingCattle

Fruits

Leaves, Stems

Risk factors

Consumption of leaves and stems

Symptoms

Gastrointestinal upset, Diarrhea

contact a vet if symptoms appear

Honeyberry fruits are considered edible and non-toxic. However, leaves and stems are not suitable for consumption and could lead to digestive upset in cattle. No specific toxicity data for cattle is available, therefore a conservative classification of 'not recommended' for the whole plant is made, as cattle would likely consume other plant parts.

Open animal page
Pig icon for animal safety ratingPig

Fruits

Leaves, Stems

Risk factors

Ingestion of leaves and stems

Symptoms

Gastrointestinal upset, Diarrhea

observe

Honeyberry fruits are considered non-toxic and can be offered in moderation as a treat. Leaves and stems are not suitable for consumption and should be avoided. No specific toxicity data for pigs is available; the classification is based on general plant information and toxicity for other animal species.

Open animal page

These guidelines are for general information only and do not replace veterinary diagnosis. If critical plant parts were ingested or the animal shows unusual behaviour or symptoms, seek veterinary advice.

Max risk

unknown

Highest status

do not feed

Urgency

contact a vet if symptoms appear

Saving seed

Honeyberry Saving seed

Seed saving

yes

Seed viability

2 - 4 years

Practical tips

Honeyberry Practical tips

Common beginner mistakes

Planting only one variety: Without a cross-pollinator, there will be few fruits.Harvesting too early: The fruits may be blue, but still tart. Wait until they are soft and sweet.Waterlogging: The soil must be well-draining, otherwise the roots will suffer.

Success pattern

Planting at least two suitable varieties.Sunny location with humus-rich, well-draining soil.Regular thinning prune to promote fruit production.Protection against bird damage during ripening.

High-impact tips

Mulch the root area: This saves water and suppresses weeds.Plant two varieties: This is the key to a bountiful harvest.Wait to harvest: The berries only become truly sweet when they are soft.

Grower observations

Many gardeners are surprised how early honeyberries ripen – often already in May, even before the first strawberries. This makes them a real highlight in early summer.The taste of honeyberries is often tart at first, but becomes wonderfully sweet and aromatic when fully ripe. Patience during harvest pays off here!Bird damage is the biggest problem. Those who don't use netting should expect their harvest to be quickly decimated.

Plant Profile

Additional plant images

Honeyberry (Lonicera caerulea): whole plant for plant portrait - Berries, Honeysuckle family, Harvest May - June
Honeyberry (Lonicera caerulea): whole plant for plant portrait - Berries, Honeysuckle family, Harvest May - June

Health

Pests, Diseases

Plant health

BirdsAphidsPowdery mildewLeaf spot diseaseIron deficiencyLate Frost Damage to BlossomsWaterlogging

Diagnosis help

Honeyberry Diagnosis help

Pest groups

BirdsAphids

Disease groups

Fungal diseases (e.g., Powdery Mildew)

Prevention

Site selection: Sunny to partial shade, well-ventilated.Soil care: Humus-rich, well-draining, slightly acidic soil.Mulching: Retains moisture and suppresses weeds.Apply netting: For protection against bird damage.Sufficient watering: Especially during fruit development.Regular thinning prune: Promotes air circulation and plant health.

Diagnosis

Regular inspection of plants for changes in leaves, shoots, and fruits is crucial. Look for discolorations, feeding marks, or unusual growth patterns.

Cultural prevention

Choose robust varieties adapted to your climate.Ensure an optimal site with sufficient sun and good air circulation.Keep the soil consistently moist, especially during fruit development, and avoid waterlogging.Mulch the root area to retain moisture and suppress weeds.Perform an annual thinning prune to keep the plant vital and improve air circulation.

Monitoring

Regularly inspect plants for the first signs of pests or diseases, especially on young shoots and leaves.Look for unusual discolorations, feeding marks, or sticky residues.

First response

For light pest infestations (e.g., aphids), rinse the insects off with a strong jet of water or spray with soapy water.Promptly remove affected plant parts in case of fungal diseases and dispose of them in household waste.Encourage beneficial insects in the garden by planting insect-friendly plants and avoiding chemical sprays.

Diagnostic rules

Fruits missing or nibbled

Possible causes: Bird damage

  • Are there feeding marks?
  • Are birds visible nearby?

Leaves curling, sticky, small insects on shoot tips

Possible causes: Aphids

  • Inspect plants for aphids
  • Observe ant activity

White, powdery coating on leaves and shoots

Possible causes: Powdery mildew

  • Check air circulation
  • Assess ambient humidity

Young leaves yellow, veins remain green

Possible causes: Iron deficiency

  • Measure soil pH
  • Check for waterlogging

FAQ

When is the best time to plant honeyberries?

The best time to plant honeyberries is in spring (March-April) or autumn (September-October) when the soil is frost-free and workable. Container-grown plants can be planted almost throughout the season.

Do honeyberries need a pollinator?

Yes, honeyberries are generally not self-fertile and require cross-pollination to achieve good yields. Plant at least two different varieties that flower at the same time.

When are honeyberries ripe for harvest?

Honeyberries are ripe when they have a deep blue color, are soft, and detach easily from the stem. It's important to only harvest them when they taste sweet, as they often turn blue before full flavor development.

How do I prune honeyberries correctly?

Honeyberries fruit on 2-4 year old wood. Perform an annual thinning prune in late winter/early spring before bud break or immediately after harvest. Remove old, unproductive, weak, or diseased shoots at the base to encourage new growth.

Is Honeyberry safe for Dog?

Honeyberry is classified as moderation only for Dog. Risk: unknown. Urgency: observe. Honeyberry fruits are safe for dogs in moderation and can be given as an occasional treat. Other plant parts such as leaves and stems are not suitable for consumption and should be avoided. Overconsumption may cause gastrointestinal upset.

Is Honeyberry safe for Cat?

Honeyberry is classified as moderation only for Cat. Risk: unknown. Urgency: observe. Honeyberry fruits are safe for cats in small amounts as an occasional treat. Leaves and stems may cause gastrointestinal upset if ingested but are not life-threatening. Monitoring is recommended if larger quantities of potentially problematic plant parts are consumed.

Is Honeyberry safe for Rabbit?

Honeyberry is classified as moderation only for Rabbit. Risk: unknown. Urgency: observe. Honeyberry fruits are suitable for rabbits in small amounts as a treat and are non-toxic. Other plant parts such as leaves and stems should be avoided, as their safety profile is not sufficiently researched and they may potentially cause irritation. Due to the high water and acid content of the fruits, feeding should be limited to avoid digestive issues.

Is Honeyberry safe for Cattle?

Honeyberry is classified as do not feed for Cattle. Risk: unknown. Urgency: contact a vet if symptoms appear. Honeyberry fruits are considered edible and non-toxic. However, leaves and stems are not suitable for consumption and could lead to digestive upset in cattle. No specific toxicity data for cattle is available, therefore a conservative classification of 'not recommended' for the whole plant is made, as cattle would likely consume other plant parts.

Guides

Related guides

Garden guides

Sources

Public sources

  1. Wikidata search for Lonicera caerulea

    Wikidata · 2026-05-14

  2. GBIF species match for Lonicera caerulea

    GBIF · 2026-05-14

  3. Wikidata search

    Wikidata · 2026-05-14

  4. GBIF species match

    GBIF · 2026-05-14

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