When Do You Plant Hydrangeas In Australia? “Late summer is one of the best times to plant hydrangeas as you’ll be able to make the most of their colours while they are still in bloom,” says gardening expert Narelle Peart from Scotts Osmocote.

What month is best to plant hydrangeas? Fall is the best season to plant hydrangeas, followed by early spring. The idea is to give the shrub plenty of time to establish a healthy root system before blooming. The best time of day to plant is early morning or late afternoon. The cooler parts of the day offer protection against heat stress.

Where do hydrangeas grow best in Australia? Most garden hydrangeas are tough plants that thrive in moist, humus-rich, well-drained soil. Plant in a position in sun or dappled shade that offers protection from the hottest sun.

Do hydrangeas grow well in Australia?

Not only can they be grown just about anywhere in Australia they also flower prolifically in blue, pink, red or white. Hydrangea macrophyllais the most widely recognised species.

Is April too early to plant hydrangea?

So, when is the best time to plant hydrangeas? Aim for late spring, well after any danger of frost has passed, or early fall, when night temperatures usher in cooler air.

What temperature is too cold for hydrangeas?

Effectively, a hydrangea should be able to sustain a temperature of minus-10 degrees. But in the real world, temperatures as low as 12 degrees — and late fall or early spring freezes — may reduce the flowering capability of this hydrangea.

What should hydrangeas look like in winter?

Hydrangea flower heads turn dry and brown in the fall and will remain that way throughout winter if not removed. Hydrangeas also lose their leaves during fall, but the brown stalks remain upright unless pruned back.

How do you care for hydrangeas in Australia?

Care. For ease of growth hydrangeas are best in a semi shaded position, but some hardy varieties will tolerate full sun. The most important thing to remember is not to let them dry out, or they will wilt. They need regular watering, particularly in late spring and through summer.

What is the best fertilizer for hydrangeas Australia?

A good all purpose 12-4-8 or 10-10-10 composition will provide all the fertilizing hydrangeas need. Either a chemical source or organic matter can be used successfully. Applying a once a year slow-release chemical formulated for shrubs and trees is the simplest solution to hydrangea care and feeding.

Do hydrangea come back every year?

Yes, hydrangeas will come back every year as long as they do not die over the winter. Some gift hydrangeas are not bred to be very winter hardy though. So sometimes hydraneas will not survive the winter. But in general, most hydrangeas will come back every year.

What should I plant in front of hydrangeas?

Shrubs To Plant With Hydrangeas Azaleas, hollies, yews, mahonia, gardenia, loropetalum and boxwood shrubs will look good planted in front of hydrangeas. Azaleas blossoms will provide early color. You can select your favorite blossom color since the azalea blooms will have faded before your hydrangea is flowering.

How many hydrangeas can you plant together?

You have to plant Bigleaf hydrangeas and Panicle hydrangeas 6-12 feet apart. In the case of Oakleaf hydrangeas, they need to be planted 6-8 feet apart. In general, hydrangeas should be planted apart at a distance equal to the width of one adult plant (for plants of the same size).

Are hydrangeas deciduous in Australia?

Don’t worry. Hydrangeas are deciduous – that’ll fall off and you’ll have no problem at all. The spent flowers from last season need to come off. It’s a good indication of where to prune.

How do you grow hydrangeas in pots in Melbourne?

Fact: Hydrangeas grow well in pots, especially the small varieties. Use a premium potting mix and keep them well watered through summer. Set your pot on a stand or pot feet to encourage drainage and prevent water-logging. Repot every two–three years.

Can you grow hydrangeas in Melbourne?

Hydrangeas can be planted all year round. Plant them in a position that provides shade throughout most of the day, some morning sun is tolerable. The soil will need to be kept moist at all times.

Can I plant hydrangeas in March?

For best results, plant hydrangeas in spring or fall, when temperatures are mild. You can plant hydrangeas when blooming specimens become available in nurseries in early to mid-spring.

When can I put my hydrangea outside?

The best time to plant mophead hydrangeas outdoors is in mid- to late spring when the soil has had a chance to warm up. Hydrangeas like moist, well-drained soil and do best with shelter from the hot afternoon sun.

Can Easter hydrangeas be planted outside?

It is always best to plant the potted hydrangea outdoors whenever possible. It should only be planted outdoors in early to mid summer as it needs time to acclimate to outdoor conditions before winter arrives.

Can hydrangeas survive winter?

The low winter temperatures can kill the plant, or they might die because of drying out caused by winds. Because hydrangeas go dormant during the winter, you may not notice winter kill on hydrangeas until spring.

Are hydrangeas winter hardy?

Hydrangeas are frost resistant to a degree. Some hydrangeas will tolerate cold temperatures and frost better than others, but correctly prepping them for winter, will minimize the risk of any serious damage. Hydrangeas can bounce back from superficial winter damage, but not severe winter dehydration or root damage.

Should I cover hydrangeas for frost?

Whether or not hydrangeas need protection depends on how cold the winter temperatures drop. If the air temperature doesn’t go below 0 degrees (zone 7) there is no need for winter protection. In colder climates, wrap or completely cover marginally hardy hydrangeas.

How do you protect hydrangeas in the winter?

To protect your hydrangea’s dormant buds, surround the plant with a layer of protection. Hammer four 1″x1″ hardwood stakes around each plant, and use a staple gun to attach a perimeter of burlap or black landscape fabric to the posts. Make sure the fencing is as tall as the shrub itself.

What happens if you don’t cut back hydrangeas?

Hydrangeas that bloom on old wood do not need pruning and are better off for it. If you leave them alone, they’ll bloom more profusely the next season. But go ahead and gently thin or deadhead. Just remember new growth may come, but that new growth will be without blooms next season.

How do I prepare hydrangeas for winter?

The simplest method is to mound shredded leaves or bark mulch around the base of the plant to about 12 inches or so. Put the mulch mound in place in late fall after the ground freezes and uncover plants in spring when temperatures begin to stay above freezing.

How do I make my hydrangeas blue in Australia?

For blue hydrangeas, the soil should be acidic and have a pH level between 4.5 and 5.5. To increase the acidity of the soil, add iron sulfate or a soil acidifier near the base of the plant.