- Azaleas are all the time evergreen whereas rhododendrons are typically deciduous
- Azalea leaves are skinny and infrequently coated in tremendous hairs, whereas rhododendron leaves are often thick and leathery
- Azalea flowers have 5 to 6 stamens, whereas rhododendron flowers sometimes have 10 or extra stamens
- Azalea flowers seem in clusters of round three, on the finish of a stem, whereas rhododendron flowers grow collectively in massive ‘trusses’
- Azaleas have extra stems than rhododendrons
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grow azaleas
Exterior, grow azaleas in a sheltered spot in partial shade or full solar. Most varieties look greatest in a shaded or woodland border, or in pots.
Indoors, grow azaleas in a cool, well-ventilated spot, akin to a conservatory, in vibrant gentle however not direct daylight.
Reading: Can you grow azaleas in a pot
All azaleas require humus-rich, impartial to acidic soil that’s moist however well-drained. Use a check package to measure the pH of your soil or take a look at neighbouring gardens to see if azaleas or different acid-loving crops are rising properly in your space – keep away from rising azaleas if you have an alkaline soil. Use peat-free ericaceous compost for azaleas in pots.
Azaleas are shallow-rooted crops, so ensure that the rootball sits just under the floor. Dig a gap that’s wider than it’s deep and again fill with leaf mould and peat-free ericaceous compost. Water properly.
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Mulch azaleas yearly with an acidic mixture of leaf mould, peat-free ericaceous compost or conifer bark chippings. For pot-grown azaleas, together with indoor azaleas, exchange the highest layer of compost, or repot fully in spring and feed with an ericaceous fertiliser. Water with rainwater as a lot as potential – faucet water is likely to be too alkaline. There must be little or no have to prune.
Whereas unlikely, if ingested by pets, all elements of azaleas and rhododendrons trigger nausea, vomiting, melancholy, issue respiration and even coma. They are often deadly to canine if eaten in massive sufficient portions.
Extra on rising azaleas:
- Different Christmas home crops
- grow rhododendrons
- Crops poisonous to canine
The place to plant azaleas
Grow outside azaleas in a sheltered spot in partial shade or full solar. Many cultivars go well with planting on the fringe of a woodland border or shady space. Smaller varieties look greatest on the entrance of a border, or in pots.
Indoors, grow azaleas in a well-ventilated room with dappled or oblique daylight. Temperatures must be cool, round 16-18ºC is good.
plant azaleas
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Like rhododendrons, azaleas require humus-rich, impartial to acidic soil that’s moist however well-drained. Use peat-free ericaceous compost for pot-grown azaleas. They’re shallow-rooted crops, so ensure that the rootball sits just under the floor. Dig a gap that’s wider than it’s deep and again fill with leaf mould and ericaceous compost. Water properly, ideally with rainwater.
take care of azaleas
Mulch outside azaleas yearly with an acidic mixture of leaf mould or conifer bark chippings. For pot-grown and indoor azaleas, exchange the highest layer of compost, or repot fully in early spring and feed weekly with an ericaceous fertiliser. Attempt to hold the compost moist, however use rainwater as a lot as potential – faucet water could also be too alkaline. There must be little or no have to prune, however deadheading will enhance the look of your azalea, whereas additionally encouraging it to bloom for longer.
Pot-grown azaleas are sometimes gifted as home crops at Christmas. These have been pressured to flower out of season and, as such, could also be tough to take care of. For greatest outcomes, hold the compost moist – sitting the pot in a bigger container of water for a number of minutes as soon as a week might be helpful. A weak resolution of black tea will also be good for azaleas, as it may well improve the acidity of the compost. Deadhead spent blooms recurrently to extend flowering, after which hold in a cool room for the remainder of the 12 months. To instigate flowering the next summer time, feed weekly, and repot as talked about above. Then, in late autumn, transfer your azalea to a colder room (six to 10ºC), returning it to a cool, vibrant room (16-18ºC) in spring. With luck, your azalea ought to flower once more.
propagate azaleas
Species azaleas might be grown from seed. However, to propagate cultivars, taking cuttings is the best choice. Take semi-ripe heel cuttings from mid to late summer time, pushing them into a pot of gritty ericaceous compost. Cowl with a plastic bag or propagator lid and take away this when the cuttings present indicators of progress. Utilizing rooting powder might improve your possibilities of success.
Rising azaleas: drawback fixing
Like rhododendrons, azaleas undergo few issues. Azaleas grown as home crops can fail to flower the next 12 months, however this may be remedied by instigating a dormant interval in winter. Merely transfer your azalea to a chilly room of round six to 10ºC in late autumn. Then, in late winter, transfer it again to a spot the place the ambient temperature is 16-18ºC, and your azalea ought to flower once more.
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Azalea varieties to grow
- Rhododendron ‘Pleasant White’ – a dwarf, evergreen azalea with white flowers. It should go well with a small backyard, in a semi-shady border, or might be grown in containers.
- Rhododendron luteum – also called Azalea pontica, that is a bushy, upright shrub with aromatic yellow flowers and good autumn color. It may be poisonous to folks and animals however is nice for bees that love the nectar wealthy flowers.
- Azalea ‘Rosebud‘ – a dwarf, evergreen azalea, bearing masses of double pink flowers, over small, mid-green leaves.
- Azalea ‘Cannon’s Double’ – a bushy, upright, deciduous azalea, bearing massive trusses of absolutely double orange and cream blooms, opening from pink buds. These distinction superbly with darkish inexperienced leaves. It’s good for rising in a combined herbaceous border or pot, and requires little or no upkeep.
- Azalea ‘Fireball’ – a medium-sized azalea with vibrant orange-red flowers with a delicate perfume. Its leaves emerge bronze-red, maturing to mid inexperienced, after which develop unimaginable autumn color.