Aristolochia

trivial name

size

habit

inflorescence

exposure

temperature range

humidity

water requirements

 

soil pH

propagation

difficulty

-

5+ m 

perennial liana

brownish yellow with red ornaments

semi-shade

20-25 °C in summer, hardy to -5 °C with isolation

> 60 %

constant humidity and much water especially during hot days

acidic

seeds (stratification period up to 2 years), stolons

(1 = very easy, 5 = extremely difficult)