Poncirus trifoliata

How to grow growing Poncirus trifoliata care:

Well-drained soil, slightly acid soil, moist soil in the fruits season and better to put mulch

How to care:
Design for easy to pick the fruits (when there are thorns it’s important but not all cultivars have thorns), add to the soil, organic matter, humus and fertilizer, in location with hot summer sun that the main trunk is expose to the sun better to better to whitewash (lime paint)

What is the best way to start growing:
Plant / Seed / Cutting / Air layering

Is it necessary to graft or use vegetative reproduction?
No

Difficulties/Problems with growing:
Thorns, invasive

Planting season:
Spring to summer in hardiness zone 6-10a, spring or autumn hardiness zone 10b-11a, possible also in summer and winter the main problem it’s hot and cold days that might cause future problem and even kill the plant, hardiness zone 11b+ planted all year

Pests and diseases:
Citrus leaf miner, aphids, citrus foot rot, ant, citrus gummosis

Pruning season:
Spring / Summer

How to prune:
Dead branch, cross branch, too much density

Size of the plant?
3-8 m, 10-24 feet

Growth speed in optimal condition:
Medium growing to slow growing

Water requirement:
Average amount of water, usually the plant need more water in the fruits season, but usually it’s when there are rains and if raining season delay need to increase the amount of water that the fruits won’t be dry and won’t explode.

Light conditions in optimal condition for growing:
Full Sun and possible to grow in half shade in the right care but will produce less fruits

Is it possible to grow indoor as houseplant?
No, but possible to grow next to window with sun that possible, grow it as dwarf tree and will take more time to get fruits

Growing is also possible in a pot, planter, flowerpot or containers:
Yes, when grow in container need to choose the desirable container if it’s small plant it directly if it’s a big container bigger than 100% than the root ball consider start to grow with small container, better to switch the soil once in few years, when start to grow check that the graft of the tree not too much high and choose plant that can grow as dwarf tree or to grow it as bonsai.

Blooming information

When does flowers bloom?
Spring, summer

General information about the flower
White flowers

Thinning / Deadheading of the blossom:
The first years should thinning the flowers,

Pollination is done by:
Bees

Edible fruits

When does it yield:
Autumn, winter

Fruits pests or diseases:
Citrus stubborn disease, citrus black spot, Alternaria

What can be done with big quantities of Trifoliate orange fruit?
Eat, juice, the rind used fragrant, fruit leather, sugary rind

Work requirements on the fruit:
pick up (sometimes cut brunches that grow into the fruit)

How long does it take to bear fruit?
2-3 years

Ripening of fruit
Possible to pick up the fruit before and let them ripening them in the house

How to grow Poncirus trifoliate from seeds

Sowing requirement:
Moist soil, well-drained soil, 20-27C temperature and better in sunny location

Saving and care seeds until sowing:
Dry, dark location in room temperature

Sowing season:
Spring to early summer (possible also summer to autumn)

How to plant:
Planting in soil that keep moist, cover the seed lightly

Planting spacing:
Better in separate pots, direct on the place 3*4m (10*13 feet), for transplant 5*5 cm (2*2 inches)

Depth of Sowing:
2cm (1inches)

Conditions for seeds germinate:
Keep the soil and don’t let it dry, rich soil and sunny location

Watering requires for Seeds:
Average amount of water

Germination time:
2-4 weeks, but can take longer

Condition of seedling:
If there is Citrus leaf miner in one of the trees in the area, better to put it in greenhouse or indoor to protect the tree, young tree very sensitive to citrus leaf miners, better to cover the soil with mulch.

Scientific name:

Poncirus trifoliate

Alternative names: Citrus trifoliate, Trifoliate orange, Flying dragon tree