The Botanical Diary
B
Shrubs

Blue honeysuckle

Lonicera caerulea
Also known asblue honeysuckle, edible honeysuckle

Pollination partner required: plant a minimum of 2 different varieties for successful fruit set.

Regions
all regions
Colour
Жовто-білий
Blue honeysuckle (blue honeysuckle, edible honeysuckle)
🌸
Bloom
April–May
☀️
Light
Full sun / напівтінь
💧
Watering
Moderate
📏
Height
1,5–2 m
❄️
Hardiness
Zone 2b

Blue honeysuckle is one of the most valuable berry crops for the Ukrainian garden, as it produces the first harvest when other plants have yet to bloom. This is a shrub of Far Eastern origin, which has been cultivated for centuries in Russia and Siberia, and is now capturing the hearts of gardeners worldwide. The plant impresses with its hardiness and generosity: it flowers in April and May with delicate yellowish blooms, and by June it yields the first blue-hued berries, which in flavour resemble a blend of blueberry and raspberry with a subtle tartness.

Externally, blue honeysuckle is a compact, spreading shrub with elegantly elongated leaves and slender, flexible branches. Popular cultivars on the market include 'Kamchatka', 'Blue Bird', and 'Turksib', which differ in berry size and ripening time. The most prized are the large-fruited forms, which yield 2–3 kilograms of sweet berries from a single plant. Experienced gardeners combine them in the garden with currants and gooseberries, creating a genuine berry patch in a miniature space.

Growing blue honeysuckle is straightforward—it requires a sunny or partially shaded location and is not dependent on soil composition. The one point often overlooked by beginners is that it is a cross-pollinating plant, so plant a minimum of two different cultivars close together. Without this, the harvest will be meagre, even with perfect care of the shrub.

Blue honeysuckle deserves a place in every garden because it is the first herald of the fruit season. When spring is still half-forgotten and the soil has barely thawed from frost, you can already harvest the first berries and delight your family. It is not merely a plant—it is the harbinger of summer.

Location & soil

Blue honeysuckle — planting & location

LightFull sun / напівтінь
Soil typerich суглинок, рН 6–7
Planting timeOctober або April
Plant spacing1,5–2 m
Planting depthAt root collar level

The earliest edible berries in the garden (June).

Water needs

How to water Blue honeysuckle

IntensityModerate
FrequencyEvery 10–14 days (в)
Volume10–15
MethodAt the base

Maintain soil moisture during fruiting.

Annual care

Fertilizing and pruning: Blue honeysuckle

Spring fertilizingNitrogen (April)
Summer fertilizingNo feeding required
Autumn fertilizingSuperphosphate (August)
Pruning timeПісля збору врожаю (sanitary)
Pruning typeSanitary

Remove old branches and any branches touching the ground.

Cold hardiness

Blue honeysuckle — winter hardiness & care

Hardiness zoneZone 2b
Winter coverNot required (zones 2–3).
Cover timing
Plant protection

Diseases and pests of Blue honeysuckle

Garden design

What grows well with Blue honeysuckle?

Currant, Gooseberry, аронія