How does rock cress spread
William Taylor
Published Apr 27, 2026
Plant Propagation: Sow Rock Cress seeds early in the season and cover lightly with 1/8″ of fine garden or potting soil. … Established plants can be propagated by division of the rootballs. Ideal plant spacing is 15″ -18″. Rock Cress plants will spread out to form a loose mat, filling in the space between plants.
Does rock cress come back every year?
Care of Rock Cress Plants Rock cress ground cover does well in fair soil that has good drainage and is slightly acidic. … Rock cress will bloom the second spring after planting and every year after that. Regular pruning to remove dead flowers will keep the plant healthy and encourage new growth.
Is rock cress the same as creeping phlox?
Aubrieta has the common names rock cress and false rock cress. … Mules’Aubrieta usually begins to bloom in mid to late April and continues into May. They bloom four to six weeks, which is twice as long as the popular creeping phlox. Plants rarely grow taller than 6 inches and may spread as far as 24 inches.
Does rock cress bloom all summer?
Hardiness5 – 7 What’s My Zone?Spacing6″ (15cm)Water NeedsLowMaintenanceLowSoil TypeChalk, Loam, SandCan you divide rock cress?
Rock cress (Aubrieta) can be divided in the early fall or by cuttings taken in the spring. This plant tends to be delicate where summers are hot so you might not want to disturb a healthy plant by dividing it. Candytuft (Iberis) is usually propagated by cuttings but can also be divided in fall or spring.
Will deer eat rock cress?
Virtues: We love rock cress because it is a drought-tolerant, early-flowering groundcover that works well in rock gardens, as edging or in combination with early spring bulbs. … Deer resistant.
How do you plant rock cress cascading?
Growing Cascade Blue Rock Cress Seeds Plant Rock Cress Seeds: Sow rock cress seed in cell packs or flats, use a sterilized mix, press into soil, do not cover. Needs light to germinate. Kept at 70°F., germination is in 14-21 days. When large enough to handle, transplant seedlings into 3 in.
What is similar to creeping phlox?
- Bugleweed (Ajuga reptans) …
- Canadian anemone (Anemone canadensis) …
- Candytuft (Iberis sempervirens) …
- Creeping Phlox (Phlox subulata) …
- Creeping Thyme (Thymus serphyllum) …
- Deadnettle (Lamium maculatum) …
- Hosta (Hosta sieboldiana) …
- Horned Violet (Viola cornuta)
Is creeping thyme invasive?
The foliage of the creeping thyme generally has a pretty fine texture, and it usually spreads out quickly all around the garden. Before you know it, the plant will start producing flowers that are of different colors. … These plants don’t really have to be invasive as long as you know how to care for them.
Is alyssum a perennial?Sweet alyssum, Lobularia maritima, is a common annual flower plant. Lobularia maritima is a mat-forming annual or short-lived perennial native to the Mediterranean, Canary Islands and Azores, where it grows along the coast in rocky, sunny areas. … Alyssum grows 3-9 inches tall with a wider spread.
Article first time published onIs purple rock cress Evergreen?
Purple Rock Cress Overview Aubrieta deltoidea is an evergreen to semi-evergreen perennial from the Brassicaceae family. It has a compact, mat-forming habit and produces small, ovate to oblong, grey-green leaves.
Is rock cress and creeping thyme the same?
Thyme and Rock Cress are about the same height and thrive in nooks and crannies. Creeping phlox and Rock Cress can both be tucked between stepping stones. The white flowers of Candytuft pair well with Rock Cress.
Will creeping phlox choke other plants?
Once established, ground covers control soil erosion and form an attractive foliage blanket across your yard. These low-lying plants do not choke out other species, but they can hinder their growth with proper maintenance, especially during establishment.
What is the difference between moss phlox and creeping phlox?
Garden phlox (Phlox paniculata), hardy in USDA zones 4 through 8, has clusters of flowers atop three- to four-foot-tall stems. … Moss phlox, also known as creeping phlox and thrift (Phlox subulata) is a low-growing plant that is used in alpine rock gardens and to edge garden paths and flower beds.
Are rock cress plants perennial?
One of many plants going by the common name of rock cress, this perennial forms splendid mats of color in the spring. As the name implies, this hardy plant is at home in a rock garden and its associated well-drained soil.
Can you dig up lilies in the spring?
Digging up and Dividing the Lilies. Divide your lilies in the fall every 3-4 years to prevent overcrowding. … You can also try to transplant in the early spring, but your lilies may not bloom as well or produce as many flowers. Avoid digging up the bulbs on a warm, sunny day since you could damage the bulbs.
Is aubrieta drought tolerant?
As a member of the mustard family, this is a tough plant that requires little care. Once established, it has a good tolerance for drought, and it resists nibbling by deer. Aubrieta is rarely bothered by insect pests.
Will aubrieta bloom first year?
Young plants may develop a few spotty flowers but a full flush of blooms should not be expected until the following year.
Does aubrieta flower the first year?
Aubrieta is a cute little perennial ground cover. Its blooming sets on early in the season, with its first flowers blooming in April.
What is good ground cover?
While grass is typically the best way to fill out empty space, sometimes low-growing plants are a better — and prettier — option. There are so many options to choose from, including old favorites like Pachysandra and Vinca, as well as small shrubs, perennials, and annuals.
Are sedums deer proof?
Pick some for long-lasting bouquets or dry them for everlasting flowers. Besides being a perfect plant it and forget it flower, sedum is deer resistant, and it attracts butterflies, bees and other pollinators. Most sedum will stay in bloom for several weeks.
Is Black Eyed Susan deer resistant?
Named for their dark brown centers peeking out of the gold or bronze petals, black-eyed susans thrive in the sun. Because its covered in course hair, deer and rabbits stay far away from it. These daisy-like blooms are perfect for a late summer or fall bouquet.
Will deer eat echinacea?
Deer avoid plants with a strong fragrance, irritating textures, or plants that upset their stomachs. … We have a long list of deer resistant perennial plants available for you to grow. They include some of our favorite garden perennials like Lupines, Digitalis Foxglove, Lavender, Poppies, and Echinacea.
How long does it take for creeping thyme to spread?
The less space between leaves, the slower your thyme will spread. Longer segments mean faster growth. Generally, creeping thyme takes one year to get established, and then begins to spread in its second season.
Is oregano invasive?
In most climates, mints and other members of the mint family, which include oregano and all the balms, are very invasive. There are 2 reasons why: 1. This family’s roots are called rhizomes, and they can and will travel quite a distance underground.
What ground cover is not invasive?
Non-Invasive, Native Evergreen Groundcovers It’s time for American gardeners to move beyond Japanese spurge (Pachysandra terminalis), English ivy (Hedera helix), and periwinkle (Vinca minor).
Is creeping phlox a good ground cover?
An Easygoing but Disorderly Ground Cover Both phlox species are not particularly fussy, although they prefer well drained, humus-rich soil. Growing only 3-8 inches tall (7-20 centimeters), but spreading as wide as 9 inches up to 2 feet (22-60 centimeters), creeping phlox is an ideal ground cover and companion plant.
Is Ajuga plant invasive?
This member of the mint family spreads fast and can become invasive. Avoid planting too close to flower beds, lawns, or other areas where you’d have to keep removing it. If you’re concerned that ajuga is considered an invasive in your region, visit the Invasive Plant Atlas.
Is Sweet alyssum invasive?
Lobularia maritima (Sweet Alyssum) is listed in the Invasive Plant Atlas of the United States.
How long does it take for alyssum to spread?
They may not look like much as seedlings, but sweet alyssum plants can really spread. They take about nine to 10 weeks to flower from the time you sow the seeds. Don’t be alarmed if plants go dormant in the heat of summer. They’ll perk back up again when temperatures cool closer to fall.
Is alyssum a companion plant?
Sweet alyssum makes a great companion plant for any aphid-prone crop, including roses, fruit trees, and others. Pests have an easier time locating host plants when there are a large number of them planted closely together.