In all other climates, crocosmia can be grown as an annual.
It is also very attractive when planted with contrasting color companions (see below).
For the best bloom show, plant crocosmia in groups of at least a dozen.
Credit: Peter Krumhardt
When planted in spring, they may not bloom until the following year.
Plant crocosmia corms 3 to 5 inches deep and 6 to 8 inches apart.
Prior to planting, you may need to enrich the soil by incorporating a 2-inch layer of well-decomposed compost.
Credit: Peter Krumhardt
For quick, easy planting, place a dozen or more corms of the same cultivar in a trench.
Light
Crocosmia blooms best in full sun; partial shade affects the bloom.
It is not winter-hardy below Zone 6.
Credit: Bill Stites
Pruning
For a neater appearance, you’re able to remove spent flower stalks.
The foliage, however, should remain on the plant until it dies back naturally.
Potting and Repotting Crocosmia
Crocosmia can be grown in pots.
Credit: Laurie Black
ensure they have large drainage holes and use well-draining potting mix.
Repot crocosmia when the corms have filled the pot.
you might either transplant it in a larger pot with fresh potting mix or divide it to relieve overcrowding.
Overwatering can lead to root rot.
One way of preventing this is to ensure the soil has excellent drainage.
It grows 3 to 4 feet tall and is more winter-hardy than the species.
Zones 5-9
‘Meteore’ Crocosmia
Crocosmia’Meterore' bears bright yellow-orange blooms with red throats.
It grows 3 feet tall.
The plant is a botanically a perennial grown as an annual in most places.
When fully open, globe thistle blossoms are magnets for pollinators.
Zone 3-10
Frequently Asked Questions
Stakingis sometimes required for the tallest crocosmia cultivars.
Cut stems when the first few flowers at the bottom of the spike are just opening.
Remove the leaves from the stems and recut them.
Immerse the stems in warm water up to the point where the flowers emerge.
