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When to Plant Olive Tree in Portola Valley, California (94028)

Location

Portola Valley, California

ZIP Code

94028

USDA Zone

9b

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, February 24, 2026

Pro Tip: Sow Olive Tree directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Olea europaea
Days to Maturity 1825 days
Mature Height 120-300"
Spread 180"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

240" apart

🌱

Planting Depth

6" deep

Seeds typically germinate in 30-60 days

Ready to Plant Olive Tree in Portola Valley?

Get your seeds now so they're ready by Tuesday, February 24, 2026.

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🤝 Good Companions

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Other Plants for Portola Valley

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree

Growing Olive Tree in Zone 9b

Olive Tree (Olea europaea) is a popular garden vegetable. In Portola Valley, California, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, February 24, 2026.

Your average last frost date is Tuesday, February 10, 2026. Olive Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.