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Little Gem Magnolia Aussie Grow & Care Guide

The Little Gem Magnolia is the perfect option for those who want to grow a southern magnolia tree but have limited space.

This evergreen dwarf magnolia will delight your senses with fragrant white and yellow blooms, which they produce throughout the summer—interested in growing this stand-out landscaping specimen?

Here are tips to help you plant, care for, and grow little gem magnolia. 


How to Grow Little Gem Magnolia

Magnolia Grandiflora, or little gem, is a low-maintenance and tolerant upright grower which offers a lot of visual delight for very little space and effort

The Magnolia Grandiflora, or little gem, is a low-maintenance and tolerant upright grower which offers a lot of visual delight for very little space and effort. 

This evergreen perennial has dense foliage, which makes it ideal as an ornamental privacy screen or hedge. The small, red-coated seeds will also attract lots of local birds to your garden. 

Whether grown in the ground or in a pot, the little gem magnolia tree is easily established and won’t require too much additional care.

Being a dwarf variety, the little gem magnolia tree only grows between 7-9 metres tall. It also has a slow growth rate, which makes it ideal for growing in pots. 

How Much Sun Does Little Gem Need? 

As with most flowering plants, the little gem magnolia does require a good amount of sunlight during the day. Try to pick a spot that receives full sun or partial shade. For maximum flowering capacity, it needs at least 4 hours of direct sun per day.

What Soil Is Best For Little Gems? 

Magnolia grandiflora little gem is quite tolerant and will often adapt to a range of soil conditions. However, it prefers sandy or clay soils.

If growing little gem magnolia in pots, you’ll want to choose a potting mix that is slightly acidic, loamy and moist. A general soil pH level between 5.6 and 6.5 is also recommended. 

How to Propagate Little Gem 

How to Grow Little Gem Magnolia

It is possible to propagate little gems either by seed or by cutting. If you have little gem growing in your neighbourhood, it is possible to find seedlings that have fallen beneath the tree.

However, many growers recommend propagation by means of cutting, as this guarantees a faster flowering tree. 

Here’s what you need to do:

  • Using a sterile grafting knife, remove a hardwood stem cutting from an existing, healthy tree. 
  • Taking cuttings in the morning is recommended as the stems will likely be most turgid. 
  • Using a blade, you will need to wound the base of the cutting, taking care to expose the greenish inner layer of the bark. 
  • Dip the wounded section into a rooting hormone.
  • Plant the cutting into a sterile, fast-draining growing medium to root. 
  • Position your cutting in a semi-shaded area that receives lots of indirect morning light.

In cooler, coastal climates, it is recommended to keep your cuttings indoors or in a greenhouse to avoid cuttings drying out or being exposed to excessive winds. 

Planting Little Gem Magnolia

When planting, be sure to give your little gem magnolia tree plenty of space to grow to its full size. It is recommended to mulch around the base of the trunk to curb the growth of any water-stealing weeds. 

However, you should keep a little room just around the base. Planting should be done during the late autumn or early spring. If planting a magnolia little gem hedge, be sure to keep each tree at least 1.5 metres apart.

Little Gem Magnolia Care

How to Propagate Little Gem

When it comes to little magnolia tree care, there are few things you will have to worry about beyond regular watering. The little gem is not overly drought tolerant and will require a good amount of moist soil. 

Especially in its first year of growth, it will require water as often as 3 to 4 times per week. Thereafter, you can cut back to once or twice a week and half of that in winter.

If you live in particularly arid parts of Australia, it’s recommended to regularly check the soil moisture level. Unlike many other plants, Magnolia grandiflora little gem is able to withstand some flooding, so you won’t need to worry too much about overwatering. 

During the spring, a slow-release fertilizer can be added to the soil to support growth. Especially if you are growing a magnolia little gem hedge, it is recommended to prune lightly if necessary.

As it is a slow grower, it shouldn’t be too often, and with this species, less is more. When pruning, avoid cutting off any young buds which may be growing for the next season. 

Should you be looking to keep your little gem magnolia very small, it is recommended to prune regularly during the first few years of growth. This will train your little gem into a smaller shape.

Here is our review on the best pruning saws for the bigger branches and here are the best gardening secateurs for the smaller branches

Little Gem Problems

This species has been cultivated to be relatively pest and disease-free. However, there is a chance that you may have some smaller issues in unideal conditions. 

The most prominent issue is Magnolia Scale. This can be easily controlled by means of horticultural oil. Other smaller issues you may incur include lead spot, blight and black mildew. 

For these issues, you won’t need to look at chemical control. Simply trim off any infected leaves and branches and dispose of them.

Final Magnolia Grandiflora Little Gem Tips

Little Gem Magnolia is the perfect option for those who want to grow a southern magnolia tree but have limited space
  • Should your little gem leaves begin to yellow, this may be due to a nutrient deficiency. Be sure to check that your soil is draining well and has enough iron. 
  • Due to its small size, magnolia grandiflora little gem is ideal for small balcony or patio gardens, near decks and patios or confined spaces. 
  • If you notice your little gem isn’t producing as many flowers as it should, it may be due to a lack of sunlight. Ensure you move it to a spot that gets enough direct sunlight throughout the day. 
  • If growing a magnolia little gem hedge, it is important to note that leaf, flower and seed drop can become a little messy. It is recommended to regularly clean any debris from the base of the tree to prevent the spread of any diseases. 
  • Magnolia roots are generally quite wide-spreading. However, they are non-invasive, so you won’t have to worry about keeping your little gems close to any other plants. 

Note: Little Gem Magnolia can sometimes be mistaken as Teddy Bear Magnolia so be sure to check out complete guide on Teddy Bear Magnolia here

Start Growing Little Gem Magnolia Today!

Now is the perfect time to start growing your little gem magnolia. When planting, just be sure to pick the right spot with plenty of sunlight and support your little gem magnolia tree with lots of water for the first few months. 

For more plants to grow in your garden, be sure to check our Dahlia and Ranunculus growing guides. 

While it may take a year or two before your little gem magnolia begins to flower, it will definitely be worth the wait!

Little Gem Magnolia Aussie Grow and Care Guide

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Gary Clarke

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