Allamanda angustifolia grow and care – shrub of the genus Allamanda also known as Golden trumpet angustifolia, Allamanda angustifolia perennial evergreen can grow as annual, used as ornamental fragrant plant, can grow in tropics mediterranean, subtropics or temperate climate 9+ as perennial and 7+ as annual.

Leaves color green in linear shape the leaves grow on whorls.

Allamanda angustifolia flower

Flower color yellow, in trumpet-bell shape with five petals, the flowers grow in cluster.

Allamanda angustifolia for sale – Seeds or Plants to Buy

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How to grow Allamanda angustifolia growing and care:
Frost free, well drain, rich soil, mulch

How to care:
Fertilize once a year, add mulch to keep the soil moist, add humus and organic matter

What is the best way to start growing?
Plant / Seed / Vegetative Reproduction – cutting

How to propagate:
Propagation by cutting better to start in the spring or with temperature of 24-28C (75-83F), requirements: moist soil, high humidity, peat soil, hormone for root growth, highly recommend to use green house (or small plastic box with holes), possible also to start cutting by water but need also the same condition and to switch soil every few days

Is it necessary to graft or use vegetative reproduction?
No, but easier start by cutting than from seeds although it’s not hard to start from seeds

Difficulties or problems when growing:
Invasive and aggressive

Planting season:
Spring (as annual) or as perennial in hardiness zone 9, spring to summer in hardiness zone 10, spring to autumn in hardiness zone 11, all year in hardiness zone 12+.

How to plant:
Dig hole bigger than the roots ball, add to the hole: organic matter, dead leaves and humus put back some soil and mix it, after this cover, the plant need to trellising on something, water it  twice in the first day and every day for two weeks.

Pests and diseases:
Aphids, meal bug, mites

Pruning season:
Autumn / Winter (possible all the year)

How to prune:
Just for design, dead stems, and better to prune that plant that all the branches will get sun or at least light (better for blooming)

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

Growth speed in optimal condition:
Fast growing, when the plant young grow slowly

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

Light conditions in optimal condition for growing:
Full Sun / Half Shade will bloom less

Is it possible to grow indoor as houseplant?
No

Growing is also possible in a planter, flowerpot, containers:
Yes, when grow in container, size 10-20 liter (2.5-5 gallon), average amount of water that needed, it’s to keep the soil moist and the water go out of the pot, when it’s grow as perennial every two years to switch soil, and prune part of the roots and the plants, soil rich with organic matter add fertilizer, can us in potting mix or peat soil with perlite or vermiculite.

Blooming information

Bloom season?
Summer / Autumn

General information about the flower:
Trumpet-bell shape flowers with five petals, grow in cluster, color yellow

How to grow Allamanda angustifolia from seeds

Sowing requirement:
Moist soil, better when the temperature 21-26 (70-79F), sunny location

Saving seeds and care until sowing:
Dry and dark location

Sowing season:
Spring / Summer

Planting spacing:
Better in different pots, direct in the place 3*3m (10*10 feet)

Depth of Sowing:
2-4cm (1-1.8 inches)

Conditions for seeds germinate:
Moist soil, high humidity in sunny location

Watering requires for Seeds:
Big amount of water and after germinate average amount of water

Germination time:
2-6 weeks

Condition of seedling:
Full sun with regular watering

Scientific name:

Allamanda angustifolia

Plant Life Form

Blooming Season

Planting Season

Plant Growing Speed

Watering Plants

Plants Sun Exposure

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