What are the best flowers for a beginner cutting garden?

Zinnias, cosmos, sunflowers, snapdragons, sweet peas, calendula and dahlias. They are easy from seed, flower heavily and keep producing the more you cut.

How big should a cutting garden be?

A bed about 1.2 × 3 m (4 × 10 ft) gives a steady supply of bouquets for one household. Rows 30–45 cm apart in full sun make cutting easy.

When is the best time to cut flowers?

Early morning or evening when stems are full of water. Cut into a bucket of clean, cool water and move it straight to a shady spot.

How do I make cut flowers last longer?

Use clean vases and cool water, strip leaves below the waterline, re-cut stems at an angle, change water every two days and keep bouquets away from heat and ripening fruit.

Cutting Garden: Growing Flowers for Bouquets

A cutting garden is the most generous kind of garden: the more you pick, the more it gives. Unlike a decorative border, which you hesitate to raid, a cutting bed is built to be harvested. A few square metres of well-chosen annuals and perennials can fill vases from spring until the first frost, at a fraction of what florists charge.

This guide covers where to put the bed, which flowers to grow, how to sow in succession, and how to harvest and condition stems. It belongs to the Flower Gardening pillar and uses the ideas in Annuals vs Perennials and How to Plant Seeds Step by Step.

Choose the site and plan the bed

Cutting flowers want sun and good soil, just like vegetables. Pick a spot with at least six hours of direct sun, shelter from strong wind and a nearby water source. A bed that is tucked away behind the house is ideal, because you can plant it for production rather than for looks.

Size: start with 1.2 × 3 m (4 × 10 ft), narrow enough to reach across.
Layout: plant in straight rows 30–45 cm apart; tall flowers at the back or middle, short at the edges.
Soil: loosen it and add 5 cm of compost before planting (see Understanding Your Soil Type).
Support: stretch flower netting 30 cm above the soil on stakes; plants grow up through it and stems stay straight.
Mulch: straw or compost between rows keeps weeds down and soil moist.

The best flowers to grow for cutting

Flower	Type	Height	Cut when	Vase life
Zinnia	Annual	60–100 cm	Fully open, stem firm (“wiggle test”)	7–10 days
Cosmos	Annual	90–150 cm	Flower just opening	5–7 days
Sunflower (pollen-free)	Annual	120–180 cm	Petals just unfurling	7–10 days
Snapdragon	Annual or biennial	60–90 cm	One-third of flowers open	7–10 days
Sweet pea	Hardy annual	1.8 m climber	Two or three buds open	5–7 days
Calendula	Hardy annual	30–60 cm	Fully open	7 days
Dahlia	Tender perennial	60–120 cm	Fully open	5–7 days
Celosia	Annual	40–90 cm	Fully developed head	10–14 days (also dries)
Ammi / Queen Anne’s lace	Annual	90–120 cm	Most of the head open	7–10 days

Add foliage and fillers such as dill, bronze fennel, eucalyptus, mint and ornamental grasses to make arrangements look professional. Perennials such as echinacea, rudbeckia, salvia and peonies give years of cutting from one planting.

Sowing and planting schedule

Early spring: sow half-hardy annuals (zinnia, cosmos, snapdragon, celosia) indoors four to six weeks before your last frost. Direct-sow hardy annuals such as cornflower, calendula and ammi.
After last frost: harden off and plant out seedlings 20–30 cm apart; plant dahlia tubers.
Every 2–3 weeks: sow a second and third batch of zinnia, cosmos and sunflower for staggered harvests. Pinch young plants at 20–30 cm to force branching and more stems.
Late summer to autumn: sow hardy annuals and biennials for next spring, and plant bulbs (see Flower Bulbs 101).

Find your dates with the seasonal planting calendar.

How to harvest

Time of day: early morning or evening, when stems are turgid and cool.
Tools: clean, sharp snips and a bucket with 10 cm of cool water.
Stage: cut most flowers as buds start to open; a few, like zinnias and dahlias, only when fully open.
Cut long: take stems down to a leaf joint, which encourages side shoots and more flowers.

Conditioning cut stems

Strip leaves that would sit below the waterline; they rot and cloud the water.
Re-cut stems at a 45° angle under water or just before they go into the vase.
Treat woody stems (lilac, hydrangea, viburnum): split the base 2–3 cm or dip in hot water for 30 seconds.
Rest in a cool, dark place for a few hours before arranging.
Refresh the vase water every two days and trim stems again each time.

Keep bouquets away from fruit bowls. Ripening fruit gives off ethylene gas that makes flowers fade sooner.

Habits that undermine results

Planting too shady a site; flowers become leggy with few blooms
Not pinching seedlings, resulting in one stem per plant instead of many
Waiting to cut until flowers are fully open, shortening vase life
Letting plants go to seed; they stop producing flowers
Skipping support, so wind lays flowers flat

Practical tips from experience

Plant dahlias, sweet peas and zinnias as your “big three” for summer cutting.
Grow flowers that dry well (celosia, statice, strawflower, ornamental grasses) for winter arrangements.
Keep a notebook of sowing dates and varieties. Next year you will know exactly what to repeat.

Keep growing

Attract bees and hoverflies to your beds with Flowers That Attract Pollinators, plan colour combinations with Garden Color Theory, and extend the season with the Seasonal Gardening pillar. Back to Flower Gardening.