Lonicera periclymenum (northern to southern Europe)
Habit: A strong twiner, 1-3 m, occasionally 5 m tall, rarely taller, fast-growing and strangling.
Flowers: Luxurious summer flowers in whorls, long tube-shaped flowers, initially white, later cream-yellow to light yellow, June to August, far-reaching sweet fragrance.
Fruits: Round berries, dark red from end of August, shiny, slightly poisonous, bitter, repugnant taste.
Leaves: Broadly elliptical, early shoots around mid-April, dark green, bluish underneath; pale yellow from October on.
Roots: Shallow, roots, resistant to root pressure, sensitive to paving and soil compaction.
Demands: Light shade to semi-shade, likes it warm or cool, moderately frost hardy, likes high humidity, needs wind protection.
Soil: Fresh to moist, very sensitive to heat and drought, acidic to neutral, likes sandy-humic or sandy-loamy soil.
Hardiness: Zone 5b