Seed Swaps

Granny's bonnet    


Belonging to the Aquilegia genus, Granny's bonnet has a botanical name of Aquilegia.

A great perennial wildlife plant for old cottage gardens, columbines come in a huge array of colours and feature delicate spurred petals with showy stamens. Found in the wild mainly in woods and meadows.

Many varieties self seed readily.

Blooms appear in these approximate colours:   Steel Blue and   Cadmium red and   Floral white.

A type of flower / ornamental, it mainly grows as a perennial plant - which means it typically grows best over a long period (from 3 years+).

Normally growing to a mature height of 45.0 cm (1.46 feet), Granny's bonnet grows with a erect habit. This plant tends to bloom in early summer.

Granny's bonnet is a great plant to attract butterflies and bees to your garden.

Some varieties of Granny's bonnet you may like to consider growing are: McKana Giants, McKana's Mixed Colors, Royal Purple, Mrs. Scott Elliot and Dragonfly Mix.

Due to how easy it is to grow in a variety of conditions, Granny's bonnet is great for beginner gardeners and those that like low maintainance gardens.

This plant info is provided by the myfolia gardener's wiki. All details about Granny's bonnet have been kindly provided by our members.

How to grow Granny's bonnet

  • Dappled Sun

  • Dappled Sun

  • High

Granny's bonnet likes a position of dappled sun / dappled sun and remember to water often. Zone 3 to 9 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). Keep in mind when planting that Granny's bonnet is thought of as very hardy, so this plant will tend to go dormant over the long winter months.

See our list of companion Plants for Granny's bonnet to see which plants you should plant in close proximity to encourage growth.

Growing Granny's bonnet from seed

Aquilegia is very easy to sow from seed – they are also interfertile, and can be relied on to self sow.
Benifits form the seeds being chilled for a few weeks before sowing to simulate winter, then the seeds need to be warmed to simulate spring.
Light should be excluded once sown using finely sieved seed compost or vermiculite at a depth of around 3mm – 3.5mm or 1/8th".

Try to ensure a gap of at least 11.89 inches (30.48 cm) when sowing to prevent overcrowding your seedlings.

By our calculations*, you should look at sowing Granny's bonnet about 56 days before your last frost date .

Transplanting Granny's bonnet

As Granny's bonnet is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

Seed Saving Granny's bonnet

These don’t always come true from seed and some interesting hybrids can be created, but usually turn into a pale version of the flowers heading towards a pale pink.

Seed viability is two years.

How long does Granny's bonnet take to grow?

These estimates for how long Granny's bonnet takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Start logging and journaling your observations to participate!

Days to Germination How long does it take Granny's bonnet to germinate?
19 days

Average 19 days | Min 7 days | Max 139 days (10)

Days to Transplant How long until I can plant out Granny's bonnet?
+ 72 days

Average 72 days | Min 33 days | Max 498 days (3)

Days to Maturity How long until Granny's bonnet is ready for harvest / bloom?
+ 240 days

Average 240 days | Min 90 days | Max 663 days (5)

Total Growing Days How long does it take to grow Granny's bonnet?
= 331 days

When should I plant Granny's bonnet?

Our when to plant Granny's bonnet estimates are relative to your last frost date.

Enter your frost dates and we'll calculate your sowing and planting dates for you!

When to sow The number of days to sow Granny's bonnet before or after your last frost date.
56 days before Last Frost Date

Granny's bonnet Etymology

The name columbine derives from the Latin for ‘dove’ (columba) because many varieties are a bluish colour, like some doves.

The genus name Aquilegia derives from the Latin word for ‘eagle’ (aquila) due to the eagle claw-like shape of the spurred shape of the blossom.

Other names for Granny's bonnet


Aquilegia x hybrida

Latest Granny's bonnet Reviews

  • Nice rich colour. Semi-double or possibly clematis type flowers. Flowers smaller than large flowered single hybrids. Some shade & ample moisture preferred.

    4 stars

    orientallily about growing columbine, Royal Purple
  • Pretty double flowers on the smaller side for columbine. More white with just a touch of lime. Very hardy. Dappled sun preferred. Ample moisture required.

    4 stars

    orientallily about growing columbine, Lime Sorbet
  • Must check

    0 stars

    Jerryw about growing Aquilegia

See all Granny's bonnet reviews and experiences »


Granny's bonnet Forums

  • Columbine

    Commonly called columbine or granny's bonnets, this is a group for anyone growing (or wanting to grow) species and hy...

    28 members / 13 topics