Crocosmias prefer slightly acidic soil. Make sure the garden bed is nutrient-rich and well-drained but slightly moist. In spring, plant the tubers about 6 to 8 inches apart at a depth of 3 to 5 inches. Plant them in clusters for maximum effect.

Just so how high do you plant Crocosmia bulbs?

Crocosmia bulbs are swollen underground stalks that provide food for save the plant. They multiply quickly and are often found in large clumps. To separate the tubers, simply twist them apart. When planting, plant each corm 2 inches deep and 3 inches apart, with the “bulls eye” mark facing up.

Also, how long does it take for Crocosmia to sprout?

Water well to settle the soil around the tubers. A light mulch that helps retain soil moisture but doesn’t lean against the stems (can encourage stem rot) is often helpful. Crocosmia tubers can take 3-5+ weeks to start sprouting depending on soil temperature and moisture levels.

Also asks how to split Crocosmia tubers?

How to split a Crocosmia

  1. Use a trowel or garden fork to loosen the soil around the Crocosmia clump to a depth of 12 inches, but avoid piercing the tubers as you work.
  2. Rinse the roots with a gentle stream of water so the tubers are clearly visible.
  3. Use the trowel to work a 2-inch layer of compost into the top 6 inches of the garden bed.


When can I transplant Crocosmia bulbs?

Transplant during the dormant period from late autumn to early spring. In early spring, wait for the first young green shoots to appear in spring to see where new growth is emerging.

How to divide a plant?

Dividing plants is simple. Simply dig up the entire clump, then carefully divide the crown and root ball into two or more sections, depending on the size of the clump.

How does crocosmia spread?

Fast – Spreading Crocosmia can be divided now or in spring when new shoots appear. The bulbous tubers are easy to pull apart. Fast spreading crocosmia can be divided now or in spring when new shoots appear. The bulbous bulbs are easy to pull apart.

Can Astilbe be divided?

Astilbe plants can be divided. Astilbe, like many perennials, can be divided if the root ball gets too large. Astilbes do best when divided about every three years. This means digging up the plant‘s root ball and literally dividing it by cutting it into several pieces.

What can I plant next to Crocosmia?

Their intense colors contrast well with Blue and purple salvias (sage), agapanthus (lily of the Nile), geraniums (cranesbill) or silverleaf plants. There are many companion plants to choose from.

Should I kill Crocosmia?

Pick the faded flowers to encourage regrowth and remove the flower once it has bloomed. A healthy Crocosmia Lucifer will light up a garden from mid-summer until it sheds its blooms entirely. However, this is not the time for pruning. Photosynthesis begins after the flowers have faded but the leaves are still green.

How do you care for Crocosmia?

Caring for Crocosmia

  1. Cultivate Crocosmia Bed that receives about six hours of sunlight daily, although the plant can use some shade in the afternoon.
  2. Water Crocosmia once a week to keep the soil evenly moist.
  3. Cover over Soil with a 2-inch layer of mulch to retain soil moisture and discourage weed growth.

Are Crocosmia Bulbs Poisonous to Dogs?Crocosmia (AKA Montbretia, Coppertips, Falling Stars, and also commonly known as the “Lucifer plant” after the popular variety) is a “tuber plant” and can therefore be used on both dogs and cats cause mild gastrointestinal upset if the aerial parts are eaten by the plant.Can I move Crocosmia?

In general it is recommended that you rearrange or thin out Montbretia tubers (and other forms of Crocosmia) in April if necessary, but I sounds like you want to move on.

How tall will it be Crocosmia?


Genus name Crocosmia
Species Tuber
Height 1 to 3 feet 3 to 8 feet
Width Up to 3 feet across
Flower Color Green Red Orange Yellow

How do I get Crocosmia Seeds?

Collect Crocosmia Seeds. Separate the seeds from the chaff and organic waste. Place the seeds in a brown paper bag and store in a cool, dry place until you are ready to grow them. Crocosmia often re-seeds itself in warm climates, so you can easily grow new plants from seed.

What is the common name for Crocosmia?

Crocosmia aurea, common names shooting stars, Valentine’s flower, or Montbretia, is a perennial flowering plant that belongs to the iris family.

How to divide bulbs?

To divide, separate healthy new bulbs and any bulbs from the old ones tubers. Tubers increase in size and number of growth points with age, but most of them do not form separate increases. To divide, cut a large bulb into two or more sections, making sure each has a growing point.

What to do with Crocosmia after flowering?

Water your Crocosmia once weekly during the growing season to keep the soil evenly moist. Remove spent blooms to encourage new blooms. Cut back the stems where they meet the leaves. After flowering is over, save the leaves so the plant can put its energy back into its bulb for flowering next summer.

Is Crocosmia a bulb?

? Crocosmia are summer flowering bulbs with variegated flowers on wiry, arching stems. The buds open one at a time from bottom to top and are magnets for hummingbirds. Crocosmia are related to gladioli and have similar, sword-like leaves. Plant Crocosmia bulbs in spring for flowers in mid to late summer.

How to divide and replant Crocosmia?

Crocosmia and Dierama

  1. Divide Crocosmia and Dierama in spring.
  2. To remove the tubers without damaging them, dig down 30 cm (1 ft) to avoid them and gently lift.
  3. The roots of both perennials form “strings of tubers” that can be replanted intact or separated individually.
  4. Dispose of shriveled or diseased tubers and cut off old leaves.

How deep do I plant Crocosmia bulbs?

Crocosmias prefer slightly acidic soil. Make sure the garden bed is nutrient-rich and well-drained but slightly moist. In spring, plant the bulbs about 6 to 8 inches apart at a depth of 3 to 5 inches.

Why isn’t my Crocosmia flowering?

Fertilizer, especially nitrogen, can be harmful Bulbs/tubers as it encourages green growth and few flowers. Remove foliage: Only cut back leaves when they have turned brown. Both do well in full sun, but in your pictures your plants appear to be shaded by a large tree.