Corymbia Baby Gum
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Corymbia Baby Gum Basics
Description: smaller than most grafted flowering gums, this gorgeous tree flowers all summer long with huge heads of bright orange blossom, followed by showy gum nuts, and a repeat flowering in autumn. Because it is grafted, it will grow in most soil types and in coastal climates.
Size: 3m high x 3m wide.
Cultivation: plant ‘Baby Orange’ in well-drained soil, or in a potting mix formulated for native plants, in full sun or light shade. It needs protection from frost. Water regularly until established, and apply a fertiliser in spring.
Special Comments: prune lightly after flowering to maintain a shrub-like appearance, take all the finished flowers off before the plant wastes energy on gum nuts. Ideal for a courtyard, and for container planting.
We Love Them With
A simple mass under-planting of Dianella ‘Little Jess’, which works as a living mulch and has contrasting bright blue berries on show when these stunning gums are flowering. Use them in native gardens to achieve vertical interest and get height without freaking out the neighbours! It’s a perfect tree for sunny small spaces, terraces and balconies.
Like many native plants, they’re sensitive to phosphorous so be sure to only use native plant fertilisers or ones with a phosphorous level less than 3%.
Should you not notice yours flowering, the noise from the party the Lorikeets are having in it will give you a hint! Fluffy, fluorescent-like stamens appear at the ends of each branch, so wonderfully bright in colour. Prune off spent flowers on young trees in January so they don’t put all their energy into developing big gumnuts. Established trees don’t have to be pruned so you can choose to let the birds continue with their after-party amongst the gumnuts, or prune lightly after flowering to create an even better floral display next year.
Tidy up any wayward growth.
Mulch around the base, in preparation for spring and summer.
Fertilise in early spring with a native fertiliser. The recommended time to plant a young tree is in early spring, after the threat of frost has passed. A free draining spot is best; improve the soil with composted cow manure and slightly mound-up the planting location. This will improve drainage and root development. Avoid disturbing the root ball unless roots are ‘pot bound’, in this case, lightly tease out the lower roots. Plant centrally in the mound at a depth not above the graft union; identified by a change in bark colour. Firm down the soil lightly and water in well with a seaweed solution.