Clerodendrum thomsoniae

How to grow Clerodendrum thomsoniae growing and care:

Rich soil, well-drained soil, trellising or support

How to care:
Add fertilizer and prune once a year, put mulch to keep soil moist

What is the best way to start growing?
Plant / Seed / Vegetative reproduction – propagating by cutting better to start in the early spring or with temperature of 21-25C (70-77F), requirements: moist soil, high humidity, peat soil, hormone for root growth, highly recommend to use green house (or small plastic box with holes) it will take few weeks for the first root

Is it necessary to graft or use vegetative reproduction?
No, but it’s not hard to start by cutting and also not hard to start by seeds

Difficulties or problems when growing:
?

Planting season:
Spring to summer in hardiness zone 10b, spring to autumn in hardiness zone 11, all year in hardiness zone 12+

How to plant:
Planting in bigger hole and put organic matter, chopped dead leaves and humus, put the plant and cover it lightly and keep it moist for few weeks until the plant establish

Pests and diseases:
Aphids, spider mites, mealy bugs

Pruning season:
After the flowers better to prune but possible to cut in the autumn to early winter (depend when the plant bloom)

How to prune:
Mostly for design, dead parts and week branches

Size of the plant:
2-4m, 6-12 feet

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Average amount of water / Big amount of water

Light conditions in optimal condition for growing:
Full sun / Half shade

Is it possible to grow indoor as houseplant?
No

Growing is also possible in a planter /flowerpot / containers:
Yes, when growing in containers need to choose container that 100-200% bigger than the roots ball or possible to grow it in small but cut the roots when planting, use potting mix or peat soil with perlite, but after few years drainage of the soil not function the same so need to change it to new soil, when growing in container need to add organic matter and fertilizer at least once a year.

Blooming information

Bloom season?
Spring to summer

General information about the flower:
Bowl shape white red flowers that grow in clusters

How to grow Clerodendrum thomsoniae from seeds

Sowing requirement:
peat soil with vermiculite possible in other soils, take care that the soil will be well ventilated (better result), sunny location, high humidity, temperature of 21-25C (70-77F)

Saving seeds until sowing:
Dry and dark location, keep it room temperature

Sowing season:
Spring will be better for the tree but possible in summer, and in hardiness zone 12+ possible all year

How to plant:
Plant in soil that will keep the water and don’t let it dry, full sun

Planting spacing:
Better in different pots – because need to graft it after and some won’t establish, 2*1m (6*3 feet)

Depth of Sowing:
1cm (0.5 inch)

Conditions for seeds germinate:
Moist soil, sunny location, water regularly and don’t let it dry

Watering requires for Seeds:
Average amount of water

Germination time:
2-4 weeks

Condition of seedling:
Sunny location, humidity and moist soil

Scientific name:

Clerodendrum thomsoniae