Common Name Flower of Bristol, Maltese Cross, Nonesuch
Botanical Name Lychnis chalcedonica
Family Caryophyllaceae
Plant Type Herbaceous, perennial
Mature Size 3-4 ft. tall; 1.5 ft. wide
Sun Exposure Full
Soil Type Moist but well-drained
Soil pH Acidic to neutral
Bloom Time Summer
Flower Color Red, White, Pink
Hardiness Zone 3-10 (USDA)
Native Area Eastern Europe, Asia

Flower of Bristol Care

Here are the main care requirements for growing Flower of Bristol:

  • Plant in well-draining fertile soil with space for three to five plants. (Make sure they have enough time to set roots before the first frost).
  • Amend the soil with organic compost or peat to achieve the correct pH and soil consistency.

Light

For the best show, grow the flower of Bristol plant in full sun. The sunnier the spot, the more flowers your plant will produce and the bushier it will become. Flower of Bristol planted in a shady area will grow leggy and long.

Soil

Good soil drainage is required to grow the flower of Bristol successfully. This plant can tolerate mildly acidic or alkaline soils with a pH of 6.5 to 7.5. If your growing area is compacted, add compost mixed with peat to amend the soil and allow for proper drainage.

Water

The flower of Bristol grows best in evenly moist soil. It requires more frequent watering during summer droughts and when propagating from seed, as the seeds need to be consistently wet to sprout.

Temperature and Humidity

Flower of Bristol favors conditions similar to those found in the Mediterranean. Mild winters and hot and somewhat humid days allow this plant to thrive best. Flower of Bristol can survive temperatures above 90 F. However, to maintain health, frequent watering during hot spells is advised.

Fertilizer

The flower of Bristol is not a heavy feeder, but like most plants, it performs best in fertile soil, as opposed to nutritionally deficient soil. An occasional feeding of compost should be sufficient for maintaining plant health.

Pruning

In the early spring, you can pinch flowers before any flower buds develop, but you should prune dead flowers and leaves in late fall to help them grow back nicely in the spring. With a pair of sharp pruning shears, cut old flowers or seed pods at the base, and remove ay dead or diseased leaves throughout the season.

Propagating Flower of Bristol

Flower of Bristol plants are grown from seeds. You can also transplant a flower of Bristol plant purchased from a garden center or nursery in the spring.

How to Grow Flower of Bristol From Seed

When starting flower of Bristol from seed, sow them directly into the ground or start them indoors in containers. Sow seeds directly into your garden in late spring, covering them with 18 inch of fine loam. Seeds should germinate in two to three weeks.

However, if you must start seeding in doors, here is how:

  1. In indoor containers, plant seeds in pots filled with sterile potting soil six to eight weeks before your region’s final frost.
  2. Place the pots in a sunny window and keep them evenly moist.
  3. Once seedlings sprout, transplant them outdoors after the danger of frost has passed.

Potting and Repotting Flower of Bristol

Flower of Bristol do not make good container plants and are best grown in the ground. Once indoor seedlings begin to show, transplant them outside after frost has passed.

Overwintering

This perennial plant is hardy to zone 4 and can handle the winters without any extra care.

Common Pests & Plant Diseases

Flower of Bristol are are disease- and pest-resistant. They do, however, attract hummingbirds, butterflies, and bees.

How to Get Flower of Bristol to Bloom

Bloom Months

Flower of Bristol blooms in early to mid-summer in June and July.

How Long Does Flower of Bristol Bloom?

The blooming period for Flower of Bristol lasts for about two to three weeks.

What Does Flower of Bristol’s Flowers Look and Smell Like?

Flower of Bristol features a cross-shaped design of four to five petals that grow in clusters. They commonly bloom scarlet red, white, or pink and do not have a scent.

Deadheading Flower of Bristol Flowers

Deadhead spent flowers mid-summer to promote continuous blooms or forego this process and allow the plants to reseed themselves and spread. As part of your annual maintenance, cut the old stems down to the ground in the spring to allow for new growth.

Common Problems with Flower of Bristol

Drooping Leaves

Since Flower of Bristol can grow tall, it is prone to drooping. To avoid drooping, provide support with stakes or surround the perennial with low-lying plants like peonies.

FAQ

    • Clumps can be divided in spring or early fall. Lift the clump out of the grand and shake off the excess soil so you can see the roots. Use two garden forks or a sharp shovel to divide the plant into three to five sections.

    • Flower of Bristol is highly disease free and low maintenance, which makes the plant a good choice for gardeners with limited time to devote to it.

    • The plant is deer- and rabbit-resistant.