Species crown imperial
cluster of tubular-shaped yellow flowers with green sepals and stems

crown imperial

Fritillaria imperialis

Crown imperial (Fritillaria imperialis) is a stunning perennial bulb native to western and central Asia. The vibrant flowers make it an attractive addition to any garden. Its cupped-shaped blooms erupt in shades of orange and yellow and grow up to 9 inches. These blossoms are bloomed from late spring to early summer and are spectacularly arranged along a tall stalk that grows several feet. This species is deer-resistant and could thrive well with sufficient sunlight and occasional fertilization. The long residual foliage and bright colors give a powerful statement to any garden. Crown imperial is a truly amazing plant that deserves a place in your green paradise!

Cycle:

Perennial

Watering:

Average

Propagation:

Division

Hardiness Zone:

5 - 8

Flowers:

Orange, red, or yellow Flowers

Sun:

Full sun,part shade

Soil:

Well-drained

Fruits:

green,brown Fruits In Summer Ready In Summer

Leaf:

Yes

Leaf Color:

green

Growth Rate:

High

Maintenance:

Moderate

Care Level:

Medium

watering

Crown imperials should be watered regularly and generously throughout their growing season in spring and summer. Water until the soil is fairly moist but not wet, then allow the soil to dry out slightly before providing more water. Avoid overwatering, as this can cause crown imperials to rot. In colder climates, water the plants only to keep the soil from completely drying out. Reduce watering slightly as temperatures cool in late summer and fall, and then finally stop watering during the plant's winter dormancy period.

sunlight

Crown imperial (Fritillaria imperialis) prefers a bright location with full sun for at least 6 hours per day during the growing season. Full sun is defined as direct sunlight with no shade. The amount of sunlight and its duration are dependent on the hardiness zone and season in which the plant is growing. In areas that have abundant sunshine for most of the year (zone 8 and warmer), the crown imperial needs at least 6 to 8 hours of direct sunlight daily throughout the entire growing season -- typically early spring through early summer. In areas with shorter periods of sunlight (zones 7 and cooler), it's beneficial to provide the plant with 8 to 10 hours of full sun a day when its in its prime growing season. For the early spring or late fall growing periods, it's beneficial to provide it with 4 to 5 hours of sun per day.

pruning

Crown imperial (Fritillaria imperialis) should be pruned regularly to keep it healthy and prevent it from becoming overcrowded or leggy. Pruning should take place in the spring shortly after flowering has finished. Removing older, dead or discolored leaves and the old flowering stem can help keep the plant looking tidy and allow for new growth. To encourage bushier growth, prune back any overgrown stems by half their length. This will help prevent overcrowding of foliage and help promote new growth. Always use a clean pair of sharp pruning shears and cut just above a leaf node or lateral bud. Avoid leaving long, bare stems as they are vulnerable to disease.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Fritillaria imperialis typically starts flowering in April.

Harvest Fruit

Fritillaria imperialis is typically harvested in April and May.

Hardiness Map