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Flower Culture Guide

Flower Culture Guide

by Flight Digital – June 27, 2024

This is our extensive Flower Culture Guide. Click here to access our Special Treatment Notes.

Genera  -  Species

When to Sow

 Germination Temp(°C)

Days to Germinate

Days from Sowing to Pricking Out

Weeks from Sowing to Transplant

Special Treatment Notes

ACANTHUS

Jul - Sep  &  Feb - Mar

20 - 22

14 - 21

21 - 28

7 - 8

 

ACHILLEA

Jul - Sep  &  Feb - Mar

18 - 21

14 - 21

21 - 28

8 - 10

See F

ADONIS

Sep - Jan

21 - 23

14 - 28

21 - 35

9 - 11

 

AGASTACHE

Jul - Mar

20 - 25

10 - 21

25 - 30

8 - 10

 

AGAVE

Aug - Nov

23 - 25

14 - 21

50 - 75

15 - 20

 

AGERATUM

Jul - Nov

22 - 24

7 - 14

18 - 24

9 - 11

See F

ALLIUM

Aug - Nov  &  Feb - Mar

20 - 22

14 - 21

28 - 35

18 - 20

See B

ALYSSUM

Jul - Mar

21 - 22

7 - 14

25 - 26

8 - 10

See A

ALSTROEMERIA

Aug - Oct  &  Feb - Mar

22  - 24

28 - 35

50 - 60

15 - 20

See J

AMARANTHUS

Sep - Dec

21 - 24

6 - 10

15 - 20

9 -10

 

AMMI MAJUS

Sep - Mar

21 - 23

10 - 14

x

9 - 10

 

ANCHUSA

Jul - Jan

20 - 22

7 - 14

15 - 25

10 - 12

 

ANEMONE

Jul - Sep  &  Feb - Mar

18 - 21

14 - 21

40 - 55

12 - 18

 

ANTHRISCUS

Aug - Nov

20 - 22

14 - 21

28 - 35

8 - 10

 

ANTIRRHINUM

Jul - Sep  &  Feb - Mar

21 - 24

7 - 14

20 - 25

11 - 13

See F

AQUILEGIA

Jul - Sep  &  Feb - Mar

21 - 24

7 - 14

21 - 28

15 - 21

See F

ARABIS

Jan - Apr

20 - 24

7 - 14

21 - 28

12 - 15

See F

ARCTOTIS

Aug - Nov

20 - 22

7 - 10

14 - 21

10 - 12

 

ARMERIA

Jul - Nov

18 - 20

7 - 14

15 - 22

14 - 17

See F

ARTHROPODIUM

Jul - Mar

18 - 21

14 - 21

35 - 40

8 - 10

 

ASCLEPIAS

Jul - Jan

21 - 24

14 - 21

35 - 55

11 - 13

See B

ASTELIA

Jul - Sep  &  Feb - Mar

18 - 21

50 - 75

100 - 120

x

See G + J

ASTER

Jul - Jan

21 - 24

7 - 14

21 - 28

14 - 16

 

ASTILBE

Jul - Sep  &  Feb - Mar

21 - 22

14 - 21

40 - 50

14 - 16

See F

AUBRIETA

Jul - Sep  &  Feb - Mar

20 - 22

7 - 14

20 - 25

10 - 12

See F

BACOPA

Aug - Nov

20 - 22

5 - 7

14 - 21

10 - 12

See F

BEGONIA semperflorens

May - Sep

21 - 22

14 - 21

45 - 50

14 - 15

See F

BEGONIA tuberhybrida

Mid July  -  Mid Sep

24 - 25

14 - 28

45 - 50

19 - 21

See F

BELLIS PERENNIS

Jul - Sep  &  Feb - Mar

21 - 24

7 - 14

14 - 21

12 - 14

See F

BUPLEURUM

Oct - Nov

15 - 18

14 - 21

56 - 63

14 - 16

See G

CABBAGE TREE

Jul - Sep  &  Feb - Mar

18 - 21

28 - 56

75 - 100

x

See C

CALCEOLARIA

Jul - Sep  &  Feb - Mar

20 - 21

14 - 21

24 - 32

22 - 24

See F

CALENDULA

Jul - Aug  &  Feb - Apr

21 - 22

7 - 10

14 - 21

10 - 12

 

CALIBRACHOA

Sept - Jan

22 - 24

7 - 10

20 - 25

10 - 12

See F

CAMPANULA

Jul - Nov

21 - 22

14 - 21

18 - 30

13 - 15

 

CAMPANULA carpatica

Sep - Jan

21 - 22

14 - 21

40 - 45

11 - 12

See F

CANDYTUFT

Jul - Mar

20 - 21

7 - 14

18 - 25

8 - 10

See F

CANNA LILY

Jul - Nov

21 - 24

14 - 21

25 - 35

10 - 12

See F

CAPSICUM ANNUM

Sep - Jan

22 - 24

7 - 14

25 - 35

10 - 12

 

CAREX testacea

Jul - Sep  &  Feb - Mar

18 - 21

14 - 21

30 - 40

8 - 10

 

CARNATION

Jul - Sep  &  Feb - Mar

18 - 21

7 - 14

18 - 24

12 - 16

 

CARROT Ornamental

Aug - Oct  &  Feb - Mar

15 - 20

14 - 21

28 - 35

10 - 12

See A

CARTHAMUS

Sep - Jan

20 - 22

7 - 14

15 - 21

4 - 5

See F

CELOSIA

Aug - Nov

21 - 24

7 - 10

15 - 20

10 - 11

 

CENTAUREA

Jul - Mar

18 - 21

7 - 14

12 - 18

8 - 10

 

CENTRANTHUS

Aug - Nov

20 - 22

7 - 14

14 - 24

10 - 12

See B

CHIASTOPHYLLUM

Aug - Oct  &  Feb - Mar

22 - 24

30 - 60

60 - 90

15 - 17

See B

CHIONOCHLOA flavicans

Jul - Sep  &  Feb - Mar

20 - 23

21 - 28

50 - 70

14 - 16

See C

CHRYSANTHEMUM

Jul - Mar

15 - 18

10 - 14

28 - 42

9 - 11

 

CINERARIA senecio

Jul - Sep  &  Feb - Mar

22 - 24

10 - 18

25 - 35

12 - 14

See F

CINERARIA pericallis

Jul - Sep & Feb - Mar

20 - 22

6 - 10

18 - 24

16 - 20

See F

CLARKIA

Jul - Dec

20 - 21

5 - 10

12 - 21

8 - 9

 

CLEMATIS

Jul - Sep  &  Feb - Mar

20 - 21

21 - 28

50 - 70

x

See C

CLEOME

Jul - Jan

21 - 22

7 - 14

20 - 25

7 - 10

 

CLIANTHUS

Aug - Nov

18 - 21

14 - 28

50 - 70

x

See D

COLEUS

Sep - Jan

21 - 24

7 - 14

25 - 35

11 - 12

 

COREOPSIS

Aug - Oct  &  Feb - Mar

18 - 24

7 - 14

20 - 25

11 - 12

See F

CORNFLOWER

Jul - Mar

18 - 21

7 - 14

12 - 18

8 - 10

 

COSMOS

Sep - Jan

20 - 21

7 - 10

10 - 15a

5 - 6

 

CRASPEDIA

Jul - Mar

22 - 23

7 - 14

14 - 21

8 - 10

 

CUPHEA

Aug - Nov

21 - 24

7 - 14

28 - 35

8 - 9

 

CYCLAMEN

May - Sep

17 - 18

21 - 32

70 - 100

24 +

 

CYNOGLOSSUM

Jul - Nov

18 - 21

7 - 10

14 - 21

9 - 10

 

DAHLIA

Sep - Jan

19 - 21

7 - 14

15 - 20

10 - 12

 

DELPHINIUM

Jul - Sep  &  Feb - Mar

18 - 21

14 - 21

21 - 28

8 - 10

 

DIANTHUS

Sep - Jan

21 - 22

7 - 14

18 - 25

10 - 12

 

DIASCIA

Jul - Dec

20 - 22

7 - 14

30 - 40

12 - 15

See F

DICHONDRA

Sep - Jan

21 - 24

7 - 14

15 - 22

11 - 12

 

DIETES

Aug - Mar

18 - 25

10 - 21

35 - 42

10 - 11

 

DIGITALIS

Jul - Mar

21 - 22

7 - 14

15 - 22

8 - 11

See F

DIMORPHOTHECA

Jul - Nov

20 - 22

7 - 14

15 - 22

10 - 12

 

ECHINACEA

Sep - Mar

21 - 24

14 - 21

21 - 28

10 - 12

 

ECHIUM

Jul - Mar

20 - 21

7 - 10

21 - 28

10 - 12

 

ERYNGIUM

Jan - Apr

18 - 24

14 - 21

35 - 40

7 - 9

See F

ERYSIMUM

Jul - Aug  &  Apr - May

20 - 21

7 - 10

14 - 24

7 - 9

 

ESCHSCHOLZIA

Jul - Mar

18 - 21

7 - 10

15 - 22

7 - 9

See F

EUCALYPTUS

Aug - Nov

20 - 22

7 - 14

28 - 35

10 - 15

 

EUPHORBIA

Jul - Mar

20 - 22

7 - 14

20 - 28

13 - 16

 

FELICIA

Sep - Mar

20 - 22

7 - 14

21 - 28

9 - 10

 

FESTUCA

Jun - Sep

20 - 23

7 - 14

x

8

 

FLOWERING KALE

Jul - Aug  &  Feb - Mar

18 - 21

7 - 14

14 - 21

5 - 6

 

FREESIA

Jul - Sep  &  Feb - Mar

18 - 21

28 - 35

35 - 45

8 - 10

 

FUCHSIA

Jul - Nov

20 - 22

7 - 10

30 - 40

18 - 20

 

GAILLARDIA

Jul - Sep  &  Feb - Mar

21 - 24

7 - 10

35 - 42

12 - 15

 

GAURA

Aug - Mar

21 - 22

7 - 14

21 - 28

10 - 11

See F

GAZANIA

Jul - Mar

20 - 22

7 - 14

20 - 25

10 - 12

 

GERANIUM

Jul - Jan

21 - 24

7 - 10

15 - 21

11 - 12

 

GERBERA

Jul - Jan

20 - 24

7 - 10

25 - 30

8 - 10

 

GEUM

Jan - Mar  &  Jun - Sep

21 - 24

8 - 15

18 - 28

12 - 14

 

GLOXINIA

Jul - Nov

22 - 24

14 - 21

35 - 42

16 - 22

See F

GODETIA

Jul - Nov

18 - 20

14 - 21

40 - 50

8 - 10

 

GOMPHRENA

Aug - Nov

20 - 22

10 - 14

28 - 35

7 - 9

 

GYPSOPHILA

Jul - Mar

19 - 21

10 - 15

28 - 35

12 - 14

 

HEBE

Jul - Sep  &  Feb - Mar

18 - 21

14 - 35

45 - 60

x

 

HELENIUM

Jul - Dec

21 - 24

7 - 14

28 - 35

10 - 12

 

HELIANTHUS

Sep - Mar

20 - 22

7 - 10

14 - 18

3 - 4

 

HELICHRYSUM

Aug - Nov

21 - 24

7 - 10

28 - 35

10 - 13

 

HELIOTROPE

Aug - Nov

21 - 22

7 - 10

14 - 21

10 - 11

 

HELLEBORUS

Jul - Oct  &  Feb - Mar

24 - 26

50 - 95

130 -
160

x

See G

HEUCHERA

Jul - Mar

21 - 24

21 - 28

42 - 50

12 - 14

See F

HIBISCUS

Aug - Dec

21 - 24

3 - 7

14 - 18

7 - 9

 

HOLLYHOCK

Jul - Sep  &  Feb - Mar

20 - 22

7 - 14

15 - 25

8 - 10

 

HYPOESTES

Jul - Mar

21 - 24

7 - 14

14 - 18

10 - 11

 

IBERIS

Aug - Oct  &  Feb - Mar

15 - 18

14 - 21

25 - 38

10 - 14

See F

IMPATIENS

Sep - Jan

22 - 24

7 - 10

15 - 20

10 - 11

See F

ISOLEPIS

Aug - Nov

18 - 21

5 - 10

21 - 28

6 - 7

See F

JUNCUS

Jun - Jan

15 - 20

14 - 21

21 - 28

5 - 6

See F

KAKA BEAK

Aug - Jan

20 - 22

21 - 35

50 - 75

x

See D

KOWHAI

Aug - Jan

18 - 21

28 - 56

130 - 160

x

See H

LARKSPUR

Jul - Nov

18 - 20

14 - 21

30 - 40

8 - 10

 

LAURENTIA

Aug - Nov

21 - 22

8 - 12

32 - 45

11 - 13

See C

LAVENDER

Sep - Feb

21 - 25

7 - 21

20 - 32

15 - 18

See F

LAVATERA

Jul - Dec

22 - 23

7 - 10

14 - 21

8 - 10

See A

LAYIA

Jul - Nov

21 - 22

7 - 14

15 - 25

9 - 10

 

LEONURUS

Sep - Jan

18 - 24

14 - 21

35 - 42

8 - 10

 

LEWISIA

Jul - Nov

20 - 22

28 - 42

60 - 75

15 - 20

See C

LIMNANTHES

Jul - Mar

20 - 22

7 - 14

15 - 25

9 - 10

 

LINARIA

Jul - Jan

20 - 22

7 - 14

15 - 25

9 - 10

See F

LINUM

Jul - Jan

20 - 22

7 - 14

15 - 20

10 - 11

 

LISIANTHUS

Jul - Nov

21 - 24

14 - 21

56 - 70

17 - 19

See F

LOBELIA

Jul - Mar

21 - 24

7 - 14

21 - 28

10 - 11

See F

LOBELIA x speciosa

Sep - Jan

20 - 23

7 - 14

56 - 70

12 - 14

See F

LUNARIA

Aug - Nov

20 - 22

5 - 10

16 - 25

10 - 20

See F

LUPIN

Jul - Sep  &  Feb - Mar

18 - 24

7 - 14

18 - 30

8 - 10

 

LYSIMACHIA

Jul - Sep  &  Feb - Mar

18 - 21

14 - 21

30 - 40

8 - 10

 

MALOPE

Jul - Dec

20 - 22

7 - 10

15 - 25

8 - 10

 

MALVA

Jul - Dec

20 - 22

7 - 10

15 - 25

8 - 10

 

MANUKA

Jul - Feb

18 - 21

14 - 28

50 - 70

x

See D

MARIGOLD

Jul - Jan

22 - 24

7 - 14

15 - 20

7 - 8

 

MARLBOROUGH ROCK DAISY

Jul - Feb

18 - 21

14 - 21

40 - 50

x

 

MECONOPSIS

Jul - Aug  &  Feb - Mar

18 - 21

14 - 28

40 - 50

10 - 11

See B

MESEMBRYANTHEMUM

Jul - Jan

18 - 20

14 - 21

20 - 28

8 - 9

 

MILLET

Sep - Dec

22 - 25

2 - 7

14 - 21

8 - 10

 

MIMULUS

Jul - Nov

15 - 21

7 - 14

20 - 25

7 - 8

See F

MINA LOBATA

Sep - Dec

20 - 22

3 - 7

14 - 20

12 - 14

 

MIRABILIS

Jul - Mar

22 - 23

7 - 14

18 - 25

8 - 10

 

MOLUCELLA

Jul - Mar

Day 30
Night 10

14 - 21

28 - 35

10 - 12

 

MONARDA

Sep - Nov

21 - 22

7 - 10

20 - 28

10 - 12

 

MT COOK LILY

Jul - Aug  &  Feb - Mar

15 - 18

70 - 140

x

x

See G

MYOSOTIS

Sep - Oct

20 - 22

7 - 14

15 - 25

10 - 12

See F

MYOSOTIDIUM

Jul - Sep  &  Feb - Mar

15 - 18

21 - 28

40 - 50

12 - 15

See D

NASTURTIUM

Jul - Mar

18 - 21

7 - 14

18 - 25

7 - 8

 

NEMESIA

Jul - Sep  &  Feb - Mar

18 - 21

7 - 14

21 - 28

7 - 8

 

NEMOPHILA

Jul - Mar

18 - 21

10 - 14

15 - 21

9 - 10

 

NEPETA

Jul - Nov  &  Feb - Mar

18 - 24

7 - 14

28 - 35

8 - 10

 

NICOTIANA

Jul - Jan

21 - 24

7 - 10

20 - 25

6 - 8

See F

NIGELLA

Jul - Mar

18 - 21

7 - 21

25 - 40

8 - 10

See F

NIKAU PALM

Jul - Aug  &  Feb -  Mar

18 - 21

100 -
150

x

x

See G

OENOTHERA

Sep - Jan

21 - 26

7 - 14

28 - 35

8 - 10

 

OREGNAO (ORNAMENTAL)

Sep - Dec

21 - 22

5 - 10

14 - 20

10 - 12

See F

ORLAYA

Sep - Dec

19 - 21

14 - 21

28 - 35

9 - 10

See F

OSTEOSPERMUM

Jul - Mar

21 - 22

7 - 10

14 - 21

9 - 11

 

PALM

Aug - Sep  &  Feb - Mar

22 - 24

7 - 100

x

x

See D

PANSY

Jul - Oct  &  Feb - Apr

18 - 22

10 - 14

15 - 20

11 - 12

 

PENSTEMON

Jul - Mar

20 - 22

7 - 14

20 - 28

9 - 10

 

PENTAS

Sep - Jan

22 - 24

7 - 14

20 - 28

13 - 15

See F

PETCHOA

Sep - Jan

22 - 24

7 - 10

15 - 20

12 - 13

See F

PETUNIA

Sep - Jan

22 - 24

7 - 10

15 - 20

12 - 13

See F

PHACELIA

Jul - Mar

15 - 20

5 - 10

21 - 28

7 - 8

 

PHLOX

Sep - Jan

18 - 21

7 - 14

20 - 25

8 - 9

 

PHORMIUM

Jan - Mar  &  Jun - Sep

15 - 16

50 - 75

x

x

See G

PHYSOSTEGIA

Jul - Nov

20 - 22

7 - 14

21 - 28

10 - 12

See F

PLATYCODON

Jul - Sep  &  Feb - Mar

20 - 22

7 - 14

20 - 30

10 - 13

See F

POHUTUKAWA

Jan - Mar  &  Jun - Sep

18 - 21

14 - 28

50 - 70

x

See D

POLYGONIUM

Aug - Oct

21 - 22

5 - 10

14 - 21

9 - 10

See G

POPPY Iceland

Jul - Sep  &  Feb - Mar

18 - 21

10 - 14

16 - 25

8 - 10

See A + F

POPPY paeoniflorum

Jul - Mar

18 - 21

10 - 14

16 - 25

8 - 10

See A + F

PORTULACA

Sep - Jan

24 - 26

7 - 14

16 - 25

8 - 10

See F

POTENTILLA

Jul - Sep  &  Feb - Mar

20 - 22

7 - 14

20 - 30

10 - 12

See F

PRIMULA acaulis Primrose

Oct - Feb

17 - 19

7 - 14

25 - 35

10 - 12

See E

PRIMULA elatior Polyanthus

Oct - Feb

15 - 18

7 - 14

42 - 50

10 - 12

See E

PRIMULA malacoides

Dec - Mar

15 - 18

7 - 14

30 - 40

10 - 12

See E + F

PRIMULA obconica

Nov - Apr

22 - 23

14 - 21

30 - 40

10 - 12

See E + F

PRUNELLA

Sep - Feb

18 - 22

30 - 60

30 - 40

14 - 16

 

PTILOTUS

Oct - Dec

24 - 26

7 - 14

28 - 35

6 - 8

See F

RANUNCULUS

Dec - Mar

Oct-15

14 - 21

45 - 50

12 - 14

See E

RHODOCHITON

Aug - Oct

21 - 22

7 - 10

14 - 21

7 - 8

See F

RUDBECKIA

Jul - Jan

20 - 22

7 - 14

20 - 28

10 - 12

 

SALPIGLOSSIS

Sep - Jan

21 - 22

7 - 14

20 - 28

8 - 10

See F

SALVIA

Sep - Jan

21 - 24

7 - 10

14 - 21

8 - 9

See F

SANTOLINA

Aug - Nov

20 - 22

5 - 10

21 - 28

10 - 12

See F

SCABIOSA

Jul - Mar

20 - 22

10 - 21

30 - 35

10 - 12

See F

SCHIZANTHUS

Sep - Jan

15 - 21

7 - 10

21 - 28

10 - 11

 

SEDUM

Aug - Nov

20 - 22

7 - 14

21 - 30

12 - 14

See F

SHASTA DAISY

Dec - Mar

18 - 21

10 - 14

20 - 25

16 - 18

 

SILENE

Jul - Oct

21 - 22

7 - 14

18 - 28

10 - 11

See F

SOLIDAGO

Jul - Nov

21 - 22

7 - 10

18 - 25

10 - 12

See F

STACHYS

Jan - Mar  &  Jun - Sep

21 - 22

7 - 14

30  - 40

11 - 13

See F

STATICE

Jul - Sep  &  Feb - Mar

18 - 21

7 - 14

14 - 21

9 - 10

 

STEVIA

Oct - Dec

25  - 26

7 - 14

35  - 40

8 - 10

See F

STOCK

Jul - Sep  &  Feb - Mar

19 - 20

7 - 10

14 - 21

8 - 10

 

STRELITZIA

Sep - Jan

24 - 25

40 - 100

150

x

See H

SWEET PEA

Aug - Oct  &  Feb - Mar

18 - 22

7 - 14

15 - 25

5 - 6

 

SWEET WILLIAM

Jul - Sep  &  Feb - Mar

21 - 22

7 - 14

14 - 21

10 - 12

 

TAGETES

Jul - Jan

22 - 24

7 - 14

15 - 20

7 - 8

 

TALINUM

Sep - Jan

21 - 22

7 - 10

21 - 28

9 - 10

 

TANACETUM

Jul - Oct

21 - 22

7 - 14

18 - 28

10 - 12

See F

THUNBERGIA

Sep - Jan

21 - 24

7 - 14

20 - 30

6 - 8

 

TIGRIDIA

Sep - Jan

18 - 24

18 - 24

28 - 35

5 - 7

See A

TITHONIA
(Mexican Sunflower)

Oct - Dec

21 - 22

7 - 14

14 - 21

7 - 9

 

TORENIA

Sep - Jan

22 - 23

7 - 10

21 - 28

10 - 11

See F

TRACHELIUM

Aug - Oct  &  Feb - Mar

20 - 22

7 - 14

35 - 45

12 - 14

See F

UNCINIA

Jul - Sep  &  Feb - Mar

18 - 21

50 - 70

100 - 120

x

See C

VERBASCUM

Sep - Jan

20 - 22

7 - 14

30 - 35

10 - 12

 

VERBENA

Sep - Jan

22 - 24

10 - 21

20 - 25

10 - 11

 

VERONICA

Aug - Oct  &  Feb - Mar

21 - 24

7 - 14

16 - 25

10 - 12

See F

VIGNA

Sep - Jan

21 - 24

14 - 21

25 - 35

8 - 10

 

VINCA

Oct - Dec

24 - 25

7 - 14

35 - 40

8 - 10

 

VIOLA

Jul - Oct  &  Feb - Apr

18 - 21

7 - 10

15 - 26

11 - 12

 

VISCARIA

Sep - Jan

21 - 22

7 - 10

14 - 21

11 - 12

 

WALLFLOWER

Jul - Oct  &  Feb - Apr

20 - 21

7 - 10

14 - 24

7 - 9

 

ZINNIA

Sep - Jan

21 - 22

14 - 18

7 - 9

 

Culture Guide Information

 

All cultural and descriptive information in this catalogue is for use as a guide only.

 

 

 

by Flight Digital – June 27, 2024

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