Next Day delivery when ordered before 3pm.

21st Birthday Flowers & Gifts

Celebrate a 21st Birthday with our collection of flowers through the post straight to your door. Whether you are going all out with luxury flowers, we have something to mark their special day with our collection of 21st birthday flowers.

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  • The Pink Lady - Flower Bouquet - The Blossomist The Sweet Treat - Bundle - The Blossomist
    Hand-Tied

    The Blossomist

    The Pink Lady

    (4)
    Regular price £37.00
  • The Meadow Haze - Flower Bouquet - The Blossomist The Meadow Haze - Flower Bouquet - The Blossomist
    Hand-Tied

    The Blossomist

    The Meadow Haze

    Regular price From £46.00
  • The Dewdrop Dawn - Flower Bouquet - The Blossomist The Dewdrop Dawn - Flower Bouquet - The Blossomist
    Letterbox

    The Blossomist

    The Dewdrop Dawn

    (6)
    Regular price £31.00
  • The Spice - Flower Bouquet - The Blossomist The Spice - Flower Bouquet - The Blossomist
    Hand-Tied

    The Blossomist

    The Spice

    Regular price £48.00
  • The Autumn Whisper Letterbox Flowers - Flower Bouquet - The Blossomist The Autumn Whisper Letterbox Flowers - Flower Bouquet - The Blossomist
    Letterbox

    The Blossomist

    The Autumn Whisper Letterbox Flowers

    (2)
    Regular price £34.00
  • The Dew letterbox bouquet in a vase, white roses, hypericum berries, eucalyptus, snapdragons and pine cones Overhead view of the Dew flowers arranged in a vase, with white roses, snapdragons and pine cones
    Letterbox

    The Blossomist

    The Dew

    Regular price £27.00
  • The Ember - Flower Bouquet - The Blossomist The Ember - Flower Bouquet - The Blossomist
    Letterbox

    The Blossomist

    The Ember

    Regular price £34.00
  • Daydreams and Sea Salt - Bundle - The Blossomist The Daydream - Flower Bouquet - The Blossomist
    Hand-Tied

    The Blossomist

    The Daydream

    Regular price £68.00
  • The Aurelia - Flower Bouquet - The Blossomist The Aurelia - Flower Bouquet - The Blossomist
    Hand-Tied

    The Blossomist

    The Aurelia

    Regular price £58.00
  • The Ivory - Flower Bouquet - The Blossomist The Ivory - Flower Bouquet - The Blossomist
    Hand-Tied

    The Blossomist

    The Ivory

    Regular price From £38.00
  • The Blossomist

    A Moment for You Gift Set - Hot Chocolate & Florentines

    Regular price £18.00

Celebrate a 21st Birthday:

Celebrate a major milestone in style with our collection of 21st birthday flowers. Whoever you're marking the occasion for, our luxury hand-crafted birthday flower arrangements are the perfect way to show appreciation and make their day truly special.

From elegant roses and lilies to vibrant mixed blooms, every bouquet is arranged by and hand-tied by our expert florists, and delivered with care.

With next-day nationwide flower delivery, you can send 21st birthday flowers anywhere in the UK quickly and reliably, even at the last minute.

Shop our stunning 21st birthday flowers today and deliver a thoughtful, memorable gift that’s right on time.

Frequently Asked Questions

What flowers are best for a 21st birthday?

Bright, celebratory blooms tend to work best for a 21st. Think bold colours and fun textures rather than anything too formal. Our Floral Surprise letterbox flowers (£27) are a popular choice for exactly this occasion, and for a bigger statement, The Cottage Garden (£34) brings a livelier, more playful mix of roses, snapdragons and astrantia.

Do you deliver 21st birthday flowers UK-wide?

We deliver across the UK. Order by 3pm for next day delivery, so a last-minute 21st doesn't have to mean last-minute flowers.

What's the difference between letterbox flowers and a hand-tied bouquet for a birthday?

Letterbox flowers fit straight through the door, so there's no waiting in and no risk of a missed delivery. A hand-tied bouquet, like The Showstopper (£82) or The Linen Luxury Bouquet (£71), needs someone in to receive it but makes more of a statement, which suits a milestone birthday well.

How much should I spend on 21st birthday flowers?

There's no fixed rule, but our range spans from £27 letterbox flowers up to £82 for a larger, more luxurious bouquet. For a milestone birthday like a 21st, many customers choose something a little more generous than an everyday bouquet.

Can I add gifts or chocolates to 21st birthday flowers?

Yes. Alongside your flowers, you can add extra treats at checkout, including chocolates, candles and diffusers, or choose one of our ready-made gift sets. It's an easy way to make a 21st feel a little more special without needing to order separately.