Viburnum Problems Why Won't My Viburnum Bush Flower

Your mature viburnum needs full sun to bloom at its best and well-draining, acidic soil. ... Another common cause for non-flowering viburnums is improper pruning. Viburnum shrubs are one of the many ornamental shrubs that blooms on old wood, so waiting until after blooming to prune is recommended.

What is wrong with my viburnum?
What is the best fertilizer for viburnum?
Do viburnums flower?
How do you rejuvenate a viburnum?
Can you hard prune viburnum?
What is killing my viburnum?
Are coffee grounds good for viburnum?
How do I get my viburnum to flower?
How can I make my viburnum grow faster?
What does Viburnum look like?
What looks good with viburnum?
What does viburnum smell like?

What is wrong with my viburnum?

One of the most damaging diseases of viburnum is Armillaria root rot, also known as shoestring root rot or mushroom root rot. This is another fungus, but it affects the roots of the plant and can lead to death. Initially, the leaves and stems of the plant will appear stunted, yellow and leaves may drop to the ground.

What is the best fertilizer for viburnum?

Blood meal is a smart choice to apply in late winter or spring, as it breaks down rapidly to sweeten the soil for flowering. Later, alfalfa meal, compost, rotted manures and fish emulsion are all safe choices for fertilizing viburnums.

Do viburnums flower?

Most viburnums have either white or pinkish flowers which are sometimes fragrant. The fragrant varieties are native to Asia. The flowers themselves come in three major types: flat clusters of florets, flat umbels outlined with larger flowers resembling lace-cap hydrangeas, and dome-shaped, snowball-like clusters.

How do you rejuvenate a viburnum?

Immediately after it flowers next spring, remove dead stems and suckers, and prune out one-third of the oldest stems. Continue removing the oldest stems each spring until the plant has an attractive and natural-looking shape.

Can you hard prune viburnum?

Viburnum x bodnantense, Viburnum farreri, Viburnum opulus

Neglected plants can be renovated by cutting all stems to near ground level, or if this is too drastic for you, remove one-in-three of the oldest stems each year for three years until the whole shrub has been rejuvenated.

What is killing my viburnum?

Armored scales, such as the oystershell scale (Lepidosaphes ulmi), can infest viburnum and cause branch dieback. If the infestation is severe enough, they may kill the shrub. The oystershell scale can overwinter as full-grown females that are attached to the bark or as eggs that are beneath the adult scale covering.

Are coffee grounds good for viburnum?

The benefit of using coffee grounds as a fertilizer is that it adds organic material to the soil, which improves drainage, water retention and aeration in the soil. The used coffee grounds will also help microorganisms beneficial to plant growth thrive as well as attract earthworms.

How do I get my viburnum to flower?

Your mature viburnum needs full sun to bloom at its best and well-draining, acidic soil. Too much nitrogen in the soil, or added as a fertilizer, will encourage your bush to put out a lot of lush, vegetative growth instead of putting energy into forming blooms.

How can I make my viburnum grow faster?

Giving your viburnum proper care can maximize its growth. Most members of the genus prefer slightly acidic soil, with a pH ranging from 5.5 to 6.5. Add organic matter around the roots with a mulch of 2 to 3 inches of tree bark or 4 to 6 inches of pine straw.

What does Viburnum look like?

Viburnums have two major types of flower heads: flat-topped clusters of flowers that resemble lacecap hydrangeas, and snowball types, with globe- or dome-shape flower clusters. Viburnum flowers range from creamy white to pink. The buds, often shaped like small nuts, are usually attractive as well.

What looks good with viburnum?

Choose companion plants with contrasting foliage, such as evergreen ferns. (Or, for a winter garden, pair with other early bloomers like crocuses and pansies.) Because viburnum doesn't self-pollinate regularly, plant several viburnum shrubs near each other.

What does viburnum smell like?

Its blossoms release a fragrance that blends lilac and vanilla. Viburnum burkwoodii stages its floral show when spring is in full swing. Its leaves are evergreen in warmer zones.