Rubra Fritillaria

Availability: Out of stock

Get ready to do a doubletake this spring! Gorgeous tropical-looking red blooms, the showy Rubra Fritillaria (Fritillaria Imperialis 'Rubra') takes late spring ephemerals to a new level with their fantastic blooms that look like they belong on an exotic beach! These fragrant blooms look like nothing else you've seen in the typical spring garden!

Its quirky and flamboyant appearance makes it a crown jewel for gardeners! Featuring drooping clusters of deep red bells with pointed petals that ring the top of a tall, sturdy green stem. Like a green crown, each flower cluster is topped with a spikey ball of leaves rising over the blooms! The bulbs of Red Crown are dramatic focal points and thrillers in the landscape and in floral bouquets, you’ll feel like you joined a luau!

Growing upward of 3 feet in height, the fast-growing stems rise above the green foliage clumps with a curious ring of green leaves skirting midway along the stems! Rubra Fritillaria, also known as Crown Imperials, are easy to grow in USDA growing zones 5 to 8, and usually not bothered by deer, rodents, or Black Walnut juglone. These bulbs naturalize and form little colonies throughout the landscape.

Planting and Application:

This plant doesn't just demand a closer inspection - it requires one! Rubra Fritillaria are must-haves for poolside and Rock Garden displays, as curiosities at the back of the garden border, or adding a tropical element to modern, architectural plantings. Best in rows and groupings, these Spring bulbs have a whimsical look! It's also happy to shine as a background plant that reaches its impressive crown high above other plants. It's happy to shine with a tropical flair no matter where you plant it!

When you look like this, you have no choice but to stand out, which is why this Red Crown Imperial makes a superior accent plant. Vertical elements, Rubra Imperials are dramatic thrillers in pots and planters around sunny porches, as unique architectural accents on front porches, or as unique features in mixed seating area planters that pollinators and children will be drawn to!

  • Vertical Flower Spikes of Burgundy Bells
  • Low-Growing Clumps & Slender Green Foliage
  • Pollinator Friendly & Amazing Cut Flowers!
  • Naturalizing & Low-Maintenance
  • Fall-Planted, Early Spring-Flowering Perennial
  • Early Spring Color, Beds & Borders & Containers

#ProPlantTips for Care:

Fritillaria are easy-to-care-for perennial bulb plants! They must have well-drained soil and lots of sunshine all growing season but can handle partial sun in hotter growing zones. In colder zones, plant deeper and mulch well so they can survive the winter. Add bulb fertilizer to each hole for best results and provide moderate moisture during the growing season. Deer and rodent resistant, there are no pests or disease issues to worry about. In fact, their only issue is with soggy soil that will rot the bulbs. Deadhead once the flowers fade but keep the leaves to make food for the bulbs, then prune them back when the foliage yellows.

  • Full Sun or Partial Shade
  • Moderately Moist Well-Drained Soil
  • Deadhead After Bloom, Prune to Ground When Leaves Yellow
  • Very Cold & Heat Hardy
  • Deer & Rodent Resistant

Order your Rubra Fritillaria today. We suggest you start thinking of answers to your neighbor's questions now since this fun variety is known for eliciting a lot of questions. Nature Hills will ship your bulbs based on the correct planting time for your growing zone!

Buying Options for Plants

Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.

Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!

Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.

  • Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
  • Popular sizes of select bare root plants is 1 foot, 18 inches, etc.

Nature Hills Container Size by Volume

Keep in mind, specific varieties and different growing conditions can affect the rate at which plants grow. Variations in size may occur.

Young Plants to 18 Months
Size Volume
2"x2"x3" Ranges from .18 to .21 dry quarts / .198 to .23 dry liters in volume
4.5" Container Equal to .65 dry quart / .72 dry liter in volume
Sprinter Pot Equal to .63 dry quart / .69 dry liter in volume
4" Container Ranges from .31 to .87 / .35 to .96 dry liter in volume
6" Container Equal to 1.4 dry quarts / 1.59 dry liters in volume
1 Quart Equal to 1 dry quart / 1.1 dry liter in volume
5.5" Container Equal to 1.89 of a dry quart / 2.08 dry liters in volume
4"x4"x5" Ranges from .8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume
4"x4"x6" Ranges from 1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume
4"x4"x9" Ranges from 1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume
4"x4"x10" Ranges from 1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume
Plants 18 Months - 2.5 Years Old
Size Volume
2 Quart Equal to 2 dry quarts / 2.2 dry liters in volume
#1 Container Ranges from 2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume
5"x5"x12" Equal to 3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume
Plants 2 - 4 Years Old
Size Volume
#2 Container Ranges from 1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume
#3 Container Ranges from 2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume
Plants 3 - 5 Years Old
Size Volume
#5 Container Ranges from 2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume
#6 Container Ranges from 5.25 to 6.01 dry gallons / 23.12 to 26.42 dry liters in volume
#7 Container Ranges from 5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

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Plant Sentry


To obtain a more accurate shipment time-frame, simply enter your zip code in the “Find Your Growing Zone” box to the right. Our plants are grown all over the country and lead time on items may be different because of this. Once your order is placed, you will also receive the specific shipment time-frame information as part of your order confirmation. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. We use FedEx, UPS, or USPS at our discretion.

Due to winter weather we have put a hold on shipping to the areas shown below in grey. You can still order now and we will ship the plant to you during an appropriate time for your zone.

*If you have found your zone already, it will be highlighted in the table below.
Color Zone Times
3 Spring 2019
4 Now
5 Now
6 Now
7 Now
8 Now
9 Now
10 Now
11 Now

Shipping Rates

At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. Shipping and handling charges are calculated based on the tables below. Please note that some items include an additional handling surcharge, these will be noted on the item's product page.

From To S&H
0 - 19.99 24.99
20 - 49.99 29.99
50 - 69.99 34.99
70 - 99.99 39.99
100 - 129.99 44.99
130 - 149.99 48.99
150 - 150+ Approx 28%

Click here to see our full rates


Rubra Fritillaria Is Suited to Grow in Zones 5-8
Growing Zones 5-8
More Information
Botanical Name Fritillaria Imperialis 'Rubra'
Mature Height 36 inches
Sun Exposure Full Sun
Soil Well Drained Soil
Moisture Medium
Growth Rate Fast
Flower Color Orange
Foliage Color Green
Pollinator Friendly Yes
Pruning Time After Foliage Yellows
Spacing 8 inches