Species hardy primrose
pink flowers with olive center, lime-pink sepals, green leaves and stems

hardy primrose

Primula kisoana

Hardy primrose (Primula kisoana) is a perennial grown for its flowers, which are a bright yellow. It's an easy to care for plant that thrives in moist soils in partial shade, although it can survive in sunnier locations with enough water. It produces vibrant flowers in late spring with large, light green leaves that are highly ornamental. It can spread up to 15-30 cm across and is relatively drought tolerant, although it won't flower as well in dry conditions. Hardy primrose is a great choice for rock gardens and sunny borders, adding colour and structure to your garden with minimal effort.

Cycle:

Herbaceous Perennial

Watering:

Average

Propagation:

Division,Cutting,Seed Propagation,Layering Propagation

Hardiness Zone:

4 - 8

Flowers:

Pink to rose mauve Flowers

Sun:

Part shade

Leaf:

Yes

Leaf Color:

green,red

Growth Rate:

Low

Maintenance:

Low

Salt Tolerant:

Yes

Care Level:

Medium

watering

Hardy Primrose should be watered deeply and evenly 2 to 3 times a week, depending on the amount of direct sunlight and temperature. This frequency should increase during the warmer months of the year and decrease during cooler months. The soil should be allowed to dry out in between waterings. If the soil remains damp for long periods of time, it could lead to root rot. In general, water the Hardy Primrose when the surface of the soil is dry to the touch. It is also important to ensure that the plant is receiving enough sunshine to thrive. This Primrose plant does best in bright, indirect sunlight, such as near a nearby window.

sunlight

Primula kisoana, or hardy primrose, is a species of perennial plant native to Asia. This species prefers bright, indirect sunlight for up to 8 hours per day. The best way to provide sunlight for hardy primrose is by placing it near a window with a north- or east-facing exposure and/or providing bright, but indirect, sunlight from a nearby fluorescent or LED light for up to 8 hours daily. Sunlight should be filtered through a sheer fabric or other covering to ensure that it is not too direct and damaging for the plant. When growing hardy primrose outdoors, it should be planted in a partially shaded area and given 4 to 6 hours of filtered sunlight each day.

pruning

Primula kisoana, commonly known as Hardy Primrose, should be pruned annually in late spring, or early summer after flowering has finished. Pruning should take place before new buds appear in order to maintain the shape and vigor of the plant. To prune, start by removing dead, damaged, and diseased stems, followed by removing any fleshy, spongy, or decayed stems. Trim back any shoots that extend beyond the desired size or shape of the plant. Additionally, any shoots that are growing towards the center of the plant should be cut back to promote air circulation and light. Finally, remove flower stems just after they have finished blooming to encourage new flower production in the next season.

Season

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

Primula kisoana typically starts flowering in April.

Hardiness Map