Fall gets all the bulb-planting glory, and honestly, it deserves it. But spring has its own planting window, and most gardeners blow right past it. That’s a mistake. The bulbs you get in the ground between March and May are the ones that carry your garden through the second half of the year — when the tulips are long gone, the daffodils are a memory, and everything else is starting to look a little tired. Spring-planted bulbs are the garden’s second act, and in many ways it’s the better one.
What makes the bulbs on this list especially worth your time is that they’re all perennials. You’re not replanting every year and hoping for the best — you’re making a one-time investment that pays back with interest. Most of them naturalize steadily, forming bigger and bolder clumps with each passing season. Spend a few dollars on bulbs this spring, and there’s a real chance you’ll still be dividing and enjoying them ten years from now.
From vibrant, sun-loving bloomers to elegant late-season flowers that light up fading borders, these 10 perennial bulbs to plant in spring will help infuse your garden with lasting color throughout summer and fall — and reward you with blooms that return every year.
1. Crocosmia
- Bloom time: Late summer through early fall
- Hardiness zones: 6–9
- Spacing: 4–8 inches apart
- Planting depth: 3–4 inches
- Sun: Full sun to partial shade
Technically corms, but let’s not split hairs. If you want hummingbirds to stage a full-scale invasion of your yard, plant crocosmia. ‘Lucifer’ is the classic—scarlet torches arching out from sword-like foliage—but I’m partial to ‘Saracen’ for smaller spaces since it stays under three feet and doesn’t flop like its taller cousins.
Plant these knobby corms three times their depth (about 4-6 inches) and space them 6-8 inches apart. Pointy side up—though I’ve found they’ll right themselves if you get it wrong, just slower. They love baking heat and will naturalize in poor soil where fussier plants give up. By late August, when everything else is gasping, these will be pumping out electric orange flowers that practically vibrate with life.
Gardener’s Tip: Crocosmia makes exceptional cut flowers. The arching stems look stunning in a vase, and the buds continue opening after cutting. Plant extra so you can bring some indoors without shortchanging your border display.
2. Byzantine Gladiolus
- Bloom time: Mid-summer through fall (staggered if planted in succession)
- Hardiness zones: 6–10 (tender in colder zones)
- Planting depth: 4–6 inches
- Spacing: 4–6 inches apart
- Sun: Full sun
Forget everything you know about the stiff florist glads that need staking and staking again and still end up kinked like a garden hose. This is their wild, elegant cousin – smaller, tougher, and actually perennial where winter drainage is decent. Sword-like foliage emerges in a loose fan in April, followed in late May or early June by loose spikes of magenta-crimson flowers with a silvery sheen that catches morning light. They look like they belong in a Renaissance painting, or growing wild in an olive grove in Greece, which is pretty much exactly where they come from.
Plant the small corms 4 inches deep in gritty soil. They’re forgiving of clay if it’s not swampy, but they absolutely demand sun – shade makes them floppy and flowerless. They’ll naturalize in grass if you’re patient, creating that meadow effect that’s so hard to fake, though I prefer them at the base of yellow-leaved shrubs like Spiraea ‘Goldmound’ where the color contrast makes both plants sing.
‘Cruentus’ is the selection to hunt down if you can find it – deeper red, more floriferous, and slightly shorter so it doesn’t need the support that the species sometimes does. I’ve had my patch for eight years now, and every spring I think maybe they’ve finally died out, then those sword leaves push through the mulch and I remember why I planted them.
3. Oriental Lily
- Bloom time: Mid-to-late summer
- Hardiness zones: 5–9
- Planting depth: 6–8 inches
- Spacing: 12 inches apart
- Sun: Full sun with afternoon shade in hot climates
If you want drama, fragrance, and sheer flower power in one plant, the Oriental lily delivers all three in abundance. These are big, bold flowers — sometimes 8 inches across — with a scent that stops you in your tracks from twenty feet away. They bloom in mid-to-late summer on stems typically reaching 3–5 feet. Classics like ‘Stargazer’ (hot pink with dark spots), ‘Casa Blanca’ (waxy white), and ‘Black Beauty’ (deep crimson with white margins) are popular for good reason, but there are hundreds of varieties to choose from.
While fall is the textbook planting time, early spring works well as long as bulbs go in before they start growing. Plant 6–8 inches deep — deeper helps with stability and keeps the bulb cool.
Lilies want their heads in the sun and feet in cool, moist, well-draining soil. One important note: Oriental lilies are toxic to cats. This isn’t a minor concern — lily toxicity is a genuine veterinary emergency, so take it seriously if you have cats.
Gardener’s Tip: Don’t cut back the stems after flowering — let the foliage die down naturally. Those leaves are busy photosynthesizing and storing energy in the bulb for next year’s flowers. Cutting them too early leads to weaker blooms the following season.
4. Freesia
- Bloom time: Mid-summer (when planted outdoors in spring)
- Hardiness zones: 9–10 (treat as annual in colder zones)
- Planting depth: 2 inches
- Spacing: 2–4 inches apart
- Sun: Full sun
Freesias have a scent that’s almost impossible to describe accurately — sweet and delicate, with a faintly lemony freshness underneath. Of all the spring-planted bulbs, freesia might be the one that brings the greatest sensory reward for the least effort. In zones 9–10 they’re true perennials; in cooler climates, plant the corms outdoors after the last frost for blooms in mid-summer across a wide range of colors: white, cream, yellow, pink, red, orange, and purple.
Plant corms just 2 inches deep and space them closely — 2–4 inches apart — because freesias look best in dense clusters. They need light, sandy, well-draining soil. If your ground is heavy clay, work in some grit before planting or grow them in pots instead. With a vase life of up to two weeks, they’re also one of the best cutting garden flowers you can grow.
Gardener’s Tip: In cooler climates, try starting freesia corms indoors in pots about 6–8 weeks before your last frost date. This gives them a head start and means you’ll get earlier blooms once you move them outside after the frost risk has passed.
5. Bearded Iris
- Bloom time: Late spring to early summer (with some reblooming varieties flowering again in fall)
- Hardiness zones: 3–9
- Planting depth: Rhizome sits at or just at soil surface
- Spacing: 12–18 inches apart
- Sun: Full sun
Bearded irises are the peacocks of the spring garden — absolutely shameless in their showiness, and they know it. The flowers are intricate in a way that feels almost architectural: three upright standards, three ruffled falls, and that fuzzy little ‘beard’ running down the center of each lower petal like a tiny runway. The color combinations available would make a paint company envious.
Deep purple-black. Butter yellow shading into violet. Ruffled white with a violet edge. Burnt caramel with a bronze beard. You can lose hours in an iris catalog.
Fall is ideal for planting, but early spring works if you missed the window — just accept that the first year’s bloom might be modest while the rhizomes get settled. Here’s the mistake that kills iris flowering for most people: planting too deep. The rhizome wants to bask.
The top should sit at or just barely below soil level so it can soak up sun and warmth. Bury it like a regular bulb and you’ll get a very healthy clump of leaves and absolutely no flowers. I’ve seen people do this for three years running and wonder what’s wrong.
Divide clumps every 3–4 years — the center gets unproductive and crowded. Do it in late summer after flowering, keep the healthy outer sections, and compost or give away the rest. If you want fall color too, the reblooming varieties like ‘Immortality’
6. Nerine (Guernsey Lily)
- Bloom time: Fall (September–November)
- Hardiness zones: 7–10
- Planting depth: Bulb nose at or just above soil level
- Spacing: 4–6 inches apart
- Sun: Full sun
The nerine is one of gardening’s little secrets — it blooms in October or November when most other plants have long finished, and it does so with an almost supernatural vibrancy. The flowers are a vivid, shimmering pink (in the most common species, Nerine bowdenii), with wavy petals that catch the light in a near-metallic way. What makes them especially unusual is that the blooms appear before or alongside the foliage, sometimes on apparently bare stems, giving them an exotic, otherworldly quality.
Plant bulbs in late spring, in the sunniest, most sheltered spot you have — the base of a south-facing wall is ideal. Like bearded irises, nerines want their necks at or just above soil level; deep planting means foliage but no flowers. They may not bloom in year one while establishing, but once settled they’re extremely long-lived and reliable. They actually prefer being crowded, which makes them excellent container plants.
Gardener’s Tip: Leave nerine clumps undisturbed as long as possible. They actually flower better when crowded. Only divide them when flowering visibly declines, which typically happens after 5–7 years.
7. Pineapple Lily (Eucomis)
- Bloom time: Late summer to mid-fall
- Hardiness zones: 7–10
- Planting depth: 4–6 inches
- Spacing: 6–8 inches apart
- Sun: Full sun to light shade
Not a lily at all, but who cares when the flower spike looks like a Dr. Seuss pineapple? These are South African natives that bring serious architectural drama to the late summer garden. ‘Oakhurst’ has burgundy straps of foliage even before the green-and-burgundy flower spikes emerge in August.
Plant bulbs 4-6 inches deep in rich, well-drained soil. They’re heavy feeders—I scratch in a handful of balanced organic fertilizer at planting and again when the flower spikes emerge. In zone 7, I mulch heavily with shredded leaves in November; in colder zones, lift and store like dahlias.
The green-white forms (‘Snow White’ is stellar) glow in evening light, making them perfect for planting where you’ll see them from your dinner table as the days shorten.
Gardener’s Tip: The flower spikes of eucomis are long-lasting as cut flowers — easily 2–3 weeks in a vase. Cut them when the lowest third of the florets have opened and change the water every few days.
8. Canna Lily
- Bloom time: Mid-summer through fall frost
- Hardiness zones: 7–11 (lift rhizomes in colder zones)
- Planting depth: 3–4 inches
- Spacing: 18–24 inches apart
- Sun: Full sun
Cannas are the plant equivalent of turning the volume all the way up. There’s nothing subtle about them — big paddle-shaped leaves in green, bronze, or deep purple, then vivid flowers in red, orange, yellow, or coral that just keep coming from July until the frost knocks them back. In a mixed summer border or as container plants they’re irreplaceable. A tall canna like ‘Tropicanna’ planted behind lower-growing annuals creates a focal point nothing else can match.
Plant rhizomes in spring once frost risk has passed and the soil is at least 60°F, with growing tips pointing upward, about 3–4 inches deep. In zones 7 and warmer they can stay in the ground year-round. In colder zones, dig after the first frost, cut stems down to a few inches, and store the rhizomes in barely damp peat in a frost-free spot over winter.
Gardener’s Tip: Cannas are heavy feeders and respond enthusiastically to a balanced fertilizer applied every few weeks during the growing season. They’re also thirsty plants — consistent moisture, especially during dry spells, keeps the flowers coming.
9. Dahlia
- Bloom time: Midsummer through first frost
- Hardiness zones: 8–11 (lift tubers in colder zones)
- Planting depth: 4–6 inches
- Spacing: 18–24 inches for large varieties; 12 inches for smaller ones
- Sun: Full sun
Dahlias are possibly the most diverse flowering plants you can grow from a bulb — technically a tuberous root — with varieties ranging from demure 2-inch pompons to dinner-plate blooms genuinely 12 inches across, in over 40 recognized forms. What they bring to a garden that nothing else can match is continuous color from July right through to the killing frost. Deadhead them regularly and they just keep going — in a good year, my dahlia bed runs for a solid three months.
Plant tubers in spring after the last frost, set horizontally in the hole with the crown pointing upward, about 4–6 inches down. Don’t water until you see shoots emerging — dahlias are prone to rot in cold, wet soil. Once growing, feed with a high-potassium fertilizer and water consistently. In zone 8 and warmer they can overwinter in the ground with mulch. In colder zones, dig, cure for a week, and store in slightly damp vermiculite in a frost-free spot.
Gardener’s Tip: Pinching out the growing tip of your dahlia when it reaches about 12–16 inches tall — removing the top two sets of leaves — creates a bushier plant with many more flowering stems. It delays the first bloom by about two weeks but dramatically increases total flower production. Completely worth it.
10. Agapanthus (African Blue Lily)
- Bloom time: Mid-to-late summer
- Hardiness zones: 7–11 (some deciduous varieties to zone 6)
- Planting depth: 2–3 inches
- Spacing: 18–24 inches apart
- Sun: Full sun
Agapanthus is the plant that makes a border look genuinely designer without requiring any special skill to grow. Those tall stems topped with spherical heads of tubular flowers — clear blue, soft lilac, or brilliant white — have an architectural quality you can’t replicate with anything else. They photograph beautifully, combine effortlessly with ornamental grasses and silver-leaved plants, and bloom for a long period in mid-to-late summer. Once established, they’re also surprisingly drought-tolerant.
Plant rhizomes in spring, in the sunniest spot you have, just 2–3 inches deep. Like nerines, agapanthus actually flowers better when somewhat congested, so let clumps build up for several years before dividing. Deciduous varieties like the ‘Headbourne Hybrids’ are considerably hardier than evergreen types — often surviving to zone 6 with winter mulching. In containers, agapanthus is magnificent; the restricted roots actively encourage flowering.
Gardener’s Tip: To extend the display, deadhead spent flower stems promptly to the base. Some gardeners prefer to leave the decorative seed heads in place — they do look attractive — but removing them directs energy back into the plant and encourages a longer flowering season.
Getting the Basics Right: Spring Bulb Planting Tips That Actually Matter
Timing
The golden rule for spring-planted bulbs is simple: wait. Wait until you’re confident the last frost has passed and the soil has started to warm up. Cold, wet soil is the enemy of most of these plants, either causing the bulbs to rot before they can establish or simply leaving them sitting dormant for weeks. A soil thermometer is a worthwhile investment — most spring-planted bulbs want soil at least 50–60°F before going in the ground.
Soil Preparation
Almost every bulb on this list wants good drainage above all else. If your soil is heavy clay, work in plenty of grit, coarse sand, or organic matter before planting. A handful of grit in the bottom of each planting hole can make a real difference for especially moisture-sensitive bulbs like freesia and nerine. For bulbs going into containers, use a quality potting mix with added grit or perlite.
Planting Depth
Follow the depth guidelines for each bulb — they exist for good reasons. Too shallow and bulbs may be heaved out by frost, dry out too easily, or fail to bloom properly. Too deep and they may never emerge at all, or may put all their energy into reaching the surface rather than flowering. The bearded iris and nerine are the notable exceptions to the ‘deeper is safer’ rule — both need to be planted much shallower than most people instinctively want to.
Watering After Planting
Water newly planted bulbs in, but then resist the urge to keep watering until you see growth emerging. Many spring-planted bulbs, particularly dahlias, are highly susceptible to rot if kept too moist before they’re actively growing. Once shoots appear, water regularly and consistently — most summer-blooming bulbs are heavy drinkers during their active growing season.
Feeding
A balanced, slow-release fertilizer worked into the soil at planting time gives bulbs a good start. Once they’re in active growth and especially when in bud, a high-potassium feed (like a liquid tomato fertilizer) encourages better flowering. Avoid high-nitrogen feeds once the plants are established — nitrogen drives leafy green growth at the expense of flowers.
After Flowering
Let foliage die back naturally after blooming. The leaves are the plant’s mechanism for storing energy in the bulb for next year — cutting them back prematurely leads to weaker bulbs and fewer flowers in subsequent seasons. If the dying foliage looks untidy, try the classic trick of bundling or braiding it behind the plant, or planting late-season perennials in front to hide it.
Final Thoughts
If you’re new to spring-planted bulbs, I’d suggest starting with three or four from this list — maybe gladioli for cutting, dahlias for the border, and crocosmia for that late-season fire. See how they perform in your garden, take notes on what you love and what you’d do differently, and build from there. Bulb gardening rewards observation and experimentation, and the investment — both in time and money — is genuinely small compared to the returns.
I’ve said it before and I’ll keep saying it: planting a bulb is one of the most optimistic things a gardener can do. You’re putting something small and apparently lifeless in the ground and betting on the future. With the right bulbs planted at the right time, in this case, the future pays off rather beautifully.
Happy planting.
Written By
Amber Noyes
Amber Noyes was born and raised in a suburban California town, San Mateo. She holds a master’s degree in horticulture from the University of California as well as a BS in Biology from the University of San Francisco. With experience working on an organic farm, water conservation research, farmers’ markets, and plant nursery, she understands what makes plants thrive and how we can better understand the connection between microclimate and plant health. When she’s not on the land, Amber loves informing people of new ideas/things related to gardening, especially organic gardening, houseplants, and growing plants in a small space.