amsonia diseases

Amsonia 'Blue Ice' is a prized cultivar with the darkest blue buds and flowers and the broadest flower petals in the genus (Hawke 2002). Recently collected specimens of this cultivar from a nursery in Perry, IN, showed heavy rust disease symptoms including leaf spotting, chlorosis, and dieback.

How do you care for Amsonia?

Amsonia Plant Care

In soils that are constantly moist, Amsonia prefers full sun. Otherwise, plant it in light to partial shade. Too much shade causes the plants to sprawl or flop open. Ideal Amsonia growing conditions call for a humus-rich soil and a thick layer of organic mulch.

What does Amsonia mean?

1 capitalized : a genus of herbs (family Apocynaceae) having a milky juice, alternate entire leaves, and showy bluish flowers in terminal cymes, one species (A. tabernaemontana) being common in the southeastern U.S. 2 plural -s : an herb of the genus Amsonia.

Is Amsonia poisonous?

Amsonia is a member of the Dogbane Family (Apocynaceae). Family members like the infamous oleander typically have milky or viscous sap that can be loaded with highly toxic alkaloids. The Bluestars' latex sap is mildly irritating and not considered to be harmful to humans.

Is Amsonia invasive?

Amsonia, a temperate member of the predominantly tropical dogbane family (Apocynaceae), is related to common periwinkle (Vinca minor) and frangipani (Plumeria rubra). ... Bluestars are herbaceous perennials with woody crowns that slowly increase in size but are not invasive.

Can you divide Amsonia?

To divide an amsonia root ball, simply cut sections of the root ball containing the plant's crown and stems with a clean, sharp knife or saw. Dividing plants like this may seem brutal but the cuts to the root ball actually stimulate plant growth both above and below the soil level.

What does Amsonia look like?

The plant species Amsonia was given the common name "Blue Star" for its soft blue, star-shaped flowers. The individual flowers are small, but they bloom in fluffy clusters and put on a lovely show for several weeks. Blue Star flowers are one of the truest blues you will find in flower colors.

What blue flower means?

A blue flower (German: Blaue Blume) was a central symbol of inspiration for the Romanticism movement, and remains an enduring motif in Western art today. It stands for desire, love, and the metaphysical striving for the infinite and unreachable. It symbolizes hope and the beauty of things.

Can cyclamen kill cats?

Cyclamens contains a toxic triterpenoid saponin, called cyclamin, in the roots. This saponin is poisonous to fish, dogs and cats. When eaten, the leaves and flowers can cause salivation, vomiting and diarrhea.

Can hostas kill cats?

Hosta. These perennial plants are prized for their colorful leaves and ease of maintenance. If eaten, dogs, cats and horses may experience vomiting, diarrhea, and even symptoms of depression.

What plants will kill cats?

Here's the ASPCA's list of the 17 top toxic plants to steer your kitty away from.

Lilies. Members of the Lilium species are considered highly toxic to cats. ...
Marijuana. ...
Sago palm. ...
Tulip/narcissus bulbs. ...
Azalea/rhododendron. ...
Oleander. ...
Castor bean. ...
Cyclamen.

How do I prune Amsonia?

Plants must be cut back in either the late fall or late winter to about 8 inches from the ground. Remember to wear gloves when working with Amsonia since stems release a white sap. Though not required, cutting them back again half way to the ground after flowering will result in even fuller growth.

How do you grow Amsonia Hubrichtii?

Amsonia hubrichtii can be propagated by seed or division. Due to irregular germination, which occurs over several weeks, division is the most reliable method of propagating this plant. For growers interested in starting amsonia from seed, sow two to three seeds per cell (128- or 72-cell plug trays work well).

Is Amsonia deer resistant?

Amsonia may be planted in the spring or fall. Is amsonia deer resistant? Amsonia is tolerant to deer, they usually avoid amsonia, however if food is scarce deer may eat amsonia.

Can I split Euphorbia?

Euphorbia polychroma propagation is best done by division in the spring. Use a garden fork to gently lift the plant from the soil and then divide the clumps by hand into smaller sections.

How do you divide penstemon?

Divide penstemon in early spring by digging up a mature, 3-5 year old clump. Cut apart the root structure with pruning shears, making sure each division has plenty of roots. Plant the divisions back in the garden and water well.

Can you cut rhizomes?

Slice rhizomes and tubers. Plants that grow from rhizomes and tubers are also good candidates for propagation by cutting. After removing the root from the ground, cut the rhizomes into 2- to 4-inch pieces, making sure each contains buds and roots.

What are the tiny blue flowers called?

Forget-Me-Nots Myosotis scorpioides. These tiny, sky-blue flowers grow above bright green foliage in the summer. Forget-Me-Nots have either white, pink or yellow centers.

Is Blue Star deer resistant?

This plant is resistant to damage by deer and other herbivores due to the foliage containing a toxic white latex. When propagating by seed, the seedlings will germinate quickly, but the plant will not flower until the second year.

What color flower means death?

The black rose is a mysterious bloom that can convey many meanings. The color black has often been synonymous with death and mourning and is usually used at funerals.

What flower symbolizes death?

Chrysanthemum: In America, this gorgeous flower has many meanings, but it is often used as an expression of support or an encouragement to “get well soon.” In many countries in Europe, the chrysanthemum is placed on graves and viewed as a symbol of death.

What flower symbolizes hope?

Iris. The iris (Iris xiphium) symbolizes hope, cherished friendship and valor and is the inspiration for the fleur-de-lis.