Product Field NotesCompanion Plants
Prima Belarina Spring Sun Primrose: Big Yellow Blooms in the Shade
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Prima Belarina® Spring Sun primrose is all about big, clear yellow flowers, 2 to 2.5 inches across, in a warm sunny shade rather than pale lemon. Their many layered petals form a rose-like shape, and in mid spring they pack together so tightly that the plant becomes a solid cushion of yellow.
It is a shade plant that needs steady moisture, so it will not share a bed with lavender. It does, however, have a lovely color trick for lavender fans: it pairs beautifully with blue and purple spring bulbs.
Spring Sun at a glance
| Trait | What to expect |
|---|---|
| Botanical name | Primula vulgaris Prima Belarina® Spring Sun |
| Flowers | Fully double, 2 to 2.5 inches across, warm sunny yellow |
| Foliage | Crinkled, oblong, bright green rosette |
| Size | 5 to 8 inches tall, 10 to 12 inches wide |
| Bloom | Starts mid-April, peaks early May |
| Hardiness | USDA zones 4 to 8 |
| Light | Part shade to full shade |
| Fragrance | Light and sweet, noticeable up close |
Yellow and purple, the spring version
Yellow and purple are opposites on the color wheel, which is why they look so good together. In summer, you get that contrast from lavender with golden companions. In spring, in the shade, Spring Sun can do it with purple and blue bulbs planted around it. The bulbs shoot up through the gaps between rosettes, and the primrose flowers hide the bulb foliage as it fades.
Spring Sun blooms a little later than most of its group, from mid-April into early May, so it overlaps nicely with many spring bulbs. Use it along a shaded front walk, at a woodland edge or in spring pots. Plan the shady beds next to your lavender in the Companion Plant Planner.
Care through the seasons
- Spring: keep the soil evenly moist while it blooms, and pull off faded flowers to keep it neat.
- Summer: primroses dislike heat and drought. Keep the soil moist through July and August; leaves may wilt or go semi-dormant in a hot spell.
- Muggy weather: space plants for airflow to avoid gray mold and leaf spots. Watch for slugs, aphids and spider mites.
- Fall: plant new primroses by early fall so roots establish. Add a light leaf mulch in exposed spots to prevent heaving.
- Every few years: divide crowded clumps after bloom.
It overwinters in Michigan in moist, well-drained soil. Soggy winter soil causes crown rot.
About the plug tray
Spring Sun is offered as a 72-cell plug tray, enough to edge a long shady walk or fill many spring containers. See the product page for current availability.
Frequently asked questions
Does Spring Sun come back every year?
Yes. It is a perennial primrose that returns reliably in moist, shady sites within zones 4 to 8.
How is it different from Carnival?
Spring Sun is a clear, warm yellow and blooms a bit later. Carnival is golden yellow washed with coral red and starts in early April.
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