Life Cycle
Biennial
Plant Characteristics
Long
Growth Habit
Upright
Bloom Season
Spring
Flavour Profile
Sweet
Suitable for
Outdoor
Seed Type
Open Pollinated
Plant Type
Vegetable
Planting Season
Autumn / Winter
Fruit Size
Long
Plant Height
30–45 cm
Light Requirement
Full Sun
Water Needs
Moderate
Hardiness Zones
3–9
Container Garden
Not Recommended
Plant Spacing
15–20 cm
Planting Depth
1–1.5 cm
Growing Conditions
Cool
Frequently Asked Questions
Why do White Spear parsnips need deep soil?
Why do White Spear parsnips need deep soil?
The variety develops long roots, so deep, loose soil gives the roots room to extend without encountering stones or compacted layers.
Can White Spear parsnips stay in the ground during cold weather?
Can White Spear parsnips stay in the ground during cold weather?
Yes. Parsnips are suited to cool conditions, and exposure to frost can enhance their natural sweetness.
How should parsnip seedlings be thinned?
How should parsnip seedlings be thinned?
Thin crowded seedlings gradually so each plant has adequate room for root development. Avoid disturbing nearby plants unnecessarily.
Can White Spear parsnips be grown in heavy clay soil?
Can White Spear parsnips be grown in heavy clay soil?
Heavy soil can restrict long roots. Improve structure with organic matter and ensure the bed is deep, loose, and free of stones before sowing.
Why are parsnips slow to emerge compared with some vegetables?
Why are parsnips slow to emerge compared with some vegetables?
Parsnip seeds can take several weeks to germinate. Consistent moisture and fresh seed help support more reliable emergence.
Can parsnips be left for a later harvest?
Can parsnips be left for a later harvest?
Yes. Their cool-season nature allows gardeners to extend harvest timing, particularly where winter soil conditions remain manageable.