Annual vs. Perennial Flowers for Cut Stems: What to Grow, What Comes Back, and How to Balance Both

If you're new to growing flowers, the terms "annual" and "perennial" get thrown around a lot — and while most people have a vague sense of what they mean, understanding the real practical difference between the two will change how you plan your cutting garden from the very beginning.

Let's break it down.

What Is an Annual?

An annual is a flower you enjoy for a single season. You plant it, it grows, it blooms, and at the end of the season it's done. Next year, you start fresh.

Within annuals, there are two important categories to know about:

Cut and come again annuals are flowers that continue producing new blooms throughout the season. The more you cut them, the more they grow. Zinnias are the perfect example — cut a stem today and the plant will send up two or three more in its place. These are your workhorses, and if you're growing in a small space, cut and come again annuals should make up the majority of what you plant.

One and done annuals produce one beautiful flush of flowers and that's it. Once you've cut them, they're finished for the season. Bells of Ireland and stock are two of my favourites in this category — I love the Iron Series for stock, the fragrance alone is worth it. These are wonderful flowers, but they require more space to be worthwhile. If you're working with a small garden, prioritize your cut and come agains first and save the one and dones for when you have room to spare.

The wonderful thing about annuals is that they are low risk. If you try a variety and it doesn't perform the way you hoped, or you simply fall out of love with it, you can try something completely different next season. Pouring through seed catalogues in the depths of winter, circling new varieties, building your list — that is genuinely one of my favourite parts of being a flower grower. Annuals give you that joy every single year.

What Is a Perennial?

A perennial is a plant that comes back season after season, often getting bigger and better with each passing year. Plant it once, tend it well, and it rewards you for years to come.

But here's the thing about perennials that I want you to understand before you get too excited about the "plant it once" appeal: they require real upfront planning and patience. Before you put a perennial in the ground, you need to ask yourself some serious questions.

Where will this plant live for the next five, ten, twenty years? Will it thrive in that spot as your garden evolves around it? How long will it take to establish — and are you prepared to wait? Does it mix well with the annuals you're growing alongside it? And honestly — is it worth the permanent space in your cutting garden or field?

Perennials also remove one of my favourite parts of the growing process: the seed starting ritual. If you love watching your little seed babies develop from tiny seeds into transplant-ready seedlings, know that perennials largely take that experience off the table. For a lot of growers, that matters more than they expect.

The Perennials I Won't Grow Without

For all my love of annuals, there are two perennials that are completely non-negotiable in my field: stonecrop sedum and limelight hydrangeas.

I've talked about sedum before — it's my non-filler filler, the flower that earns its place in a bouquet without acting like a traditional filler. Both sedum and limelight hydrangeas come back bigger and stronger every single year, and they offer a texture and structure that none of my annuals can replicate. Cut hydrangea stems are stunning in arrangements — lush, full, and incredibly versatile across colour palettes.

These two perennials live around the perimeter of my field, and they have been worth every inch of space they occupy.

What About Peonies?

If you're growing with an eye toward selling bouquets in the spring — and you have the space for a good number of plants — peonies are worth serious consideration.

But go in with your eyes open: peonies take about three years to really start producing. That is a significant investment of time and space before you see a meaningful return. If you have the patience and the real estate, they are absolutely spectacular and customers go wild for them.

If I had to recommend a single variety, it would be Coral Charm, without hesitation. It is just stunning.

The Dahlia Question

Dahlias come up in every conversation about annuals vs. perennials, because technically they are a tender perennial — meaning they can survive year after year in the right conditions. In warmer zones where the ground never becomes saturated and temperatures don't drop below freezing, leaving tubers in the ground over winter might be a reasonable risk.

But as a flower farmer in Zone 8b? I could never do it.

Here's the thing about dahlia tubers that people outside of flower farming don't always understand: you spend years tracking them down. You negotiate trades with other growers. You meet generous dahlia experts who share rare varieties with you, sometimes tubers that are genuinely hard to find anywhere. These tubers represent years of relationships, searching, and investment — financial and otherwise.

I cannot imagine looking a fellow grower in the eye and telling them that I left a rare tuber they gifted me in the ground over winter, only to find it rotted in the spring. And I cannot imagine trying to find the budget to replace what was lost, or tracking down those varieties again.

Dig your tubers. Store them properly. Don't take the risk.

How to Balance Annuals and Perennials

So how do you actually put this all together in a cutting garden or small flower farm? Here's how I think about it:

If you're growing a cutting garden for your own enjoyment, the balance is really up to you. Part of the beauty of a personal cutting garden is the freedom to experiment year after year — trying new annuals, adding a peony or two, seeing what you love. Fill most of your space with cut and come again annuals so you always have stems to cut, and add perennials where they make sense for your long-term vision.

If you're a small scale flower farmer, I'd recommend filling your field predominantly with annuals. Annuals are what stand out in bouquets. Look around your neighbourhood — plenty of people are growing flowers in their gardens, but how many of them have dahlias, and zinnias, and snapdragons to cut and arrange? Annuals give you what your customers can't easily grow themselves.

Then plant thoughtful, intentional perennials around the perimeter of your field — plants that you can cut from year after year without them competing with your annual rows. Sedum along the edges. Hydrangeas at the border. Peonies if you have the space and the patience. Let the perennials frame and support your annual operation rather than compete with it.

The Bottom Line

Annuals give you flexibility, abundance, and the joy of starting fresh every season. Perennials give you something that deepens and grows over time. The best cutting gardens have both — it's just about knowing where each one belongs.

Start with your annuals. Plant them generously. Then add perennials slowly and intentionally, in places where they'll thrive for years to come.

Next up in this series: My favourite flower farm tools — the honest gear list of what you actually need (and what you really don't).

I'm Jen, the owner and grower at Sugar Flower Farm — a small flower farm in the Fraser Valley of British Columbia. Follow along on Instagram @sugar_flowerfarm for behind-the-scenes farm content, arrangement inspiration, and seasonal growing tips.