Botanical Name: Poncirus trifoliata x Citrus sinensis
Common Name: Troyer citrange
Type of Plant: dicot: tree
 
Habit of Growth: deciduous, upright, dense, rounded, often branching low to
Overall Shape the ground; forms a dense, thorny canopy with copious small, inedible fruit
Height to 20'
Spread to 20'
Growth Rate slow
 
Environment:
Exposure outdoors full sun
Soil prefers a well-drained, loamy soil
Hardiness some frost (Zones 8, 9, 12, 13, 18-24)
 
Morphology:
Leaves typically trifoliate; leaflets broadly elliptical to 2" long; petiole slightly winged; center leaflet often larger than side leaflets
Flowers white, bisexual flowers arranged singly or in clusters; heavy bloom displays in late spring – with strong fragrance
Fruit 2"-3" rounded hesperidium, bright orange – very bitter taste
 
Propagation:
seed
 
Usage:
most frequently used rootstock for sweet orange varieties, also used as an ornamental tree in Spanish or European landscapes; appreciated for appearance and fragrance
 
Landscape Care:
Watering prefers occasional deep soaking; can tolerate some drought after established
Fertilizing appreciates high nitrogen fertilizer in spring and summer
Pruning head back and thin out as needed for appearance
Pests/Diseases citrus mealybug, aphids, scale, spider mites
Special Conditions/Other grows best where there is summer heat
 
Origin: a hybrid between trifoliate orange (Poncirus) and oriental orange (Citrus)
Family: Rutaceae

Notes:
 
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