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Working outside in the garden with the sun on your back, what could be better! Get a head start on summer and grow your own seedlings according to the planting guides below. Vegetables, herbs, perennial flowers and annuals: we have it all!

Vegetable seedlings: what you need to know

If a big vegetable harvest is what you have in mind, check out the optimum growing conditions for vegetable seedlings according to each variety. Use the garden planner below.

NameDateDepthContainerGerminationTransplantingSpacing in the vegetable gardenMaturity
AsparagusEarly February2,5 cmTray14-21 dMid-May60 cmSpring
BroccoliEarly April6 mmTray10-12 dEarly June60 cm60-80 d
CeleryEarly March3 mmTray21-25 dEnd of May20-30 cm90-110 d
CauliflowerEarly April6 mmTray10-12 dMid-May50-60 cm70-90 d
PumpkinEarly May2,5 cmPeat Cup8-10 dEarly June1,25 m – 2,5 m90-120 d
CucumberMid-April2,5 cmPeat Cup8-10 dEarly June25 cm50-70 d
LettuceMid-April6 mmTray8-10 dMid-May20-25 cm45-90 d
OnionEarly March1 cmTray12-14 dMid-May15 cm50-120 d
PepperEarly March1 cmTray6-8 dJune30-45 cm70-80 d
LeekEarly March1 cmTray10-14 dMid-May15 cm110-120 d
TomatoMid-March to Mid-April6 mmCTray or pots5-8 dEarly June45-60 cm50-80 d

Source : W.H. Perron

Produce your own herb seedlings

Because they enhance all cooking, herbs are practically indispensable. If you start your herbs from seed, you will be able to rely on a plentiful and flavourful crop. Here is an outline of the optimum growing conditions for most herbs.

NameDateOutside/InsideGermination
DillMid-MayOutside5-7 d
BasilMid- AprilInside12-18 d
ChivesMid- AprilInside7-10 d
CilantroMid-MayOutside5-10 d
MarjoramMid- AprilInside8-10 d
OreganoMid- AprilInside3-10 d
ParsleyEarly AprilInside12-21 d
Summer SavoryMid-MarchInside2-10 d
SageMid-MarchInside5-12 d
ThymeMid-MarchInside2-20 d

Growing flowers from seed

If you love your flowers, seedlings are a great way to expand the number of flower varieties you can grow and enjoy throughout the summer. Here are some pertinent details concerning the most common varieties.

NameAnnual/PerennialDateDepthGerminationTransplantationSpacing
AlyssumAnnualMid-AprilOn the surface7-12 dLate May20-30 cm
BegoniaAnnualEarly FebruaryOn the surface15-20 dEarly June15 cm
ColeusPerennialEarly AprilOn the surface10-15 dEarly June20-30 cm
DahliaAnnualEarly April3 mm5-10 dLate May30-50 cm
GaillardiaPerennialEarly AprilOn the surface15-20 dLate May30 cm
GeraniumAnnualEarly February6 mm5-15 dLate May20-25 cm
ImpatiensAnnualMid-FebruaryOn the surface10-18 dEarly June20-30 cm
LavenderPerennialJanuaryOn the surface4 to 6 wksLate May50 cm
Bee BalmPerennialMid-FebruaryOn the surface15-20 dLate May30 cm
PansyAnnualMid-February6 mm7-14 dEarly May15-20 cm
PetuniaAnnualEarly FebruaryOn the surface10-12 dLate May25-30 cm
Black-eyed SusanPerennialLate April6 mm5-10 dLate May25-30 cm
SagePerennialEarly AprilOn the surface10-12 dLate May25 cm
SunflowerAnnualMid-May, outside3 cm6-10 dLate MaySmall: 15 cm
Large: 20-25 cm
Giant: 30 cm

W. H. Perron sowing guides for annuals, biennials and perennials.

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